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Editing Interstate 40 in North Carolina

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{{Short description|Interstate Highway in North Carolina, United States}}
{{Highway detail hatnote|Interstate 40}}
{{Use mdy dates|date=February 2024}}
{{Use American English|date=December 2023}}
{{Infobox road
| state = NC
| route = 40
| type = I
| alternate_name = Blue Star Memorial Highway
| map = {{maplink-road|from=Interstate 40 in North Carolina.map}}
| map_custom = yes
| map_notes = I-40 highlighted in red
| length_mi = 420.21
| length_ref = <ref name="log">{{Cite web |last=Starks |first=Edward |date=January 27, 2022 |title=Table 1: Main Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways |url=https://www.fhwa.dot.gov/planning/national_highway_system/interstate_highway_system/routefinder/table01.cfm |access-date=December 24, 2023 |work=FHWA Route Log and Finder List |publisher=[[Federal Highway Administration]] |archive-date=July 3, 2017 |archive-url=https://web.archive.org/web/20170703213613/https://www.fhwa.dot.gov/planning/national_highway_system/interstate_highway_system/routefinder/table01.cfm |url-status=live }}</ref>
| established = 1958<ref name=I40Facts>{{cite web |publisher = [[North Carolina Department of Transportation]] |url = http://www.ncdot.org//public/50thanniv/ncinterstates/download/factsI40.pdf |archive-url = https://web.archive.org/web/20080621040412/http://www.ncdot.org//public/50thanniv/ncinterstates/download/factsI40.pdf |title = I-40 Fact Sheet |date = June 21, 2008 |access-date = June 20, 2014 |archive-date = June 21, 2008 }}</ref>
| direction_a = West
| terminus_a = {{Jct|state=TN|I|40}} at the [[Tennessee]] state line
| junction = {{plainlist|1=
*{{Jct|state=NC|I|26|I|240|US|74}} in [[Asheville, North Carolina|Asheville]]
*{{Jct|state=NC|I|77}} in [[Statesville, North Carolina|Statesville]]
*{{Jct|state=NC|I|74}} in Winston-Salem
*{{Jct|state=NC|I|73|I|840|US|421}} in [[Greensboro, North Carolina|Greensboro]]
*{{Jct|state=NC|I|85}} in [[Hillsborough, North Carolina|Hillsborough]]
*{{Jct|state=NC|I|540|NC|540}} near Durham
*{{Jct|state=NC|I|440|US|1|US|64}} in [[Raleigh, North Carolina|Raleigh]]
*{{Jct|state=NC|I|87|I|440|US|64}} in Raleigh
*{{Jct|state=NC|I|95}} near [[Benson, North Carolina|Benson]]
*{{Jct|state=NC|I|140|NC|140}} in [[Murraysville, North Carolina|Murraysville]]
}}
| direction_b = East
| terminus_b = {{Jct|state=NC|US|117|NC|132}} near [[Wilmington, North Carolina|Wilmington]]
| counties = [[Haywood County, North Carolina|Haywood]], [[Buncombe County, North Carolina|Buncombe]], [[McDowell County, North Carolina|McDowell]], [[Burke County, North Carolina|Burke]], [[Catawba County, North Carolina|Catawba]], [[Iredell County, North Carolina|Iredell]], [[Davie County, North Carolina|Davie]], [[Forsyth County, North Carolina|Forsyth]], [[Guilford County, North Carolina|Guilford]], [[Alamance County, North Carolina|Alamance]], [[Orange County, North Carolina|Orange]], [[Durham County, North Carolina|Durham]], [[Wake County, North Carolina|Wake]], [[Johnston County, North Carolina|Johnston]], [[Sampson County, North Carolina|Sampson]], [[Duplin County, North Carolina|Duplin]], [[Pender County, North Carolina|Pender]], [[New Hanover County, North Carolina|New Hanover]]
| previous_type = NC
| previous_route = 39
| next_type = NC
| next_route = 41
}}
'''Interstate&nbsp;40''' ('''I-40''') is a part of the [[Interstate Highway System]] that travels {{convert|2556.61|mi|km}} from [[Barstow, California]], to [[Wilmington, North Carolina]]. In [[North Carolina]], I-40 travels {{convert|420.21|mi|km}} across the entirety of the state from the [[Tennessee]] state line along the [[Pigeon River (Tennessee–North Carolina)|Pigeon River]] Gorge to [[U.S. Route 117|U.S. Highway&nbsp;117]] (US&nbsp;117) and [[North Carolina Highway 132]] (NC&nbsp;132) in Wilmington. I-40 is the longest Interstate Highway in North Carolina and is the only Interstate to completely span the state from west to east.<ref name="log"/>

Traveling from west to east, I-40 connects the three major regions of North Carolina—[[Western North Carolina]], the [[Piedmont (United States)|Piedmont]], and [[Eastern North Carolina]]. In the Piedmont region, I-40 connects the [[Piedmont Triad]] and [[Research Triangle]] metropolitan regions. Included in these regions are the cities of [[Raleigh, North Carolina|Raleigh]], [[Greensboro, North Carolina|Greensboro]], [[Durham, North Carolina|Durham]], and [[Winston-Salem, North Carolina|Winston-Salem]] which represent the second through fifth largest cities in the state, respectively. In addition, I-40 connects the cities of [[Asheville, North Carolina|Asheville]] and [[Hickory, North Carolina|Hickory]] in Western North Carolina, Wilmington in Eastern North Carolina, and many smaller communities along its route. The landscapes traversed by I-40 include the [[Blue Ridge Mountains]], the foothills of Western North Carolina, suburban communities, and the urban core of several Piedmont cities, along with Eastern North Carolina farmland. There are five auxiliary Interstates in the state related to I-40: [[Interstate 140 (North Carolina)|I-140]], [[Interstate 240 (North Carolina)|I-240]], [[Interstate 440 (North Carolina)|I-440]], [[Interstate 540 (North Carolina)|I-540]], and [[Interstate 840 (North Carolina)|I-840]]. I-40 formerly had one [[Interstate 40 Business (Winston-Salem, North Carolina)|business loop]] which primarily ran through Winston-Salem and briefly was extended through Greensboro.

The freeway bears several names in addition to the I-40 designation. Throughout the state, the freeway is known as the '''Blue Star Memorial Highway''', a name shared with multiple Interstates across the state. From the [[Guilford County, North Carolina|Guilford]]–[[Alamance County, North Carolina|Alamance]] county line to {{convert|1|mi|km|spell=in}} east of [[North Carolina Highway 54|NC&nbsp;54]], in [[Graham, North Carolina|Graham]], I-40 and [[Interstate 85 in North Carolina|I-85]] is known as the '''Sam Hunt Freeway'''. From [[Orange County, North Carolina|Orange County]] to Raleigh, I-40 is known as the '''Harriet Morehead Berry Freeway''', '''John Motley Morehead III Freeway''', and '''Tom Bradshaw Freeway'''. I-40 is the '''James Harrington Freeway''' from [[U.S. Route 70 in North Carolina|US&nbsp;70]] to [[Interstate 95 in North Carolina|I-95]]. In [[Duplin County, North Carolina|Duplin County]], a section of I-40 is known as the '''Henry L. Stevens Jr. Highway'''. From the [[Pender County, North Carolina|Pender]]–[[New Hanover County, North Carolina|New Hanover]] county line to the eastern terminus of I-40, the freeway is known as the '''Michael Jordan Highway'''.

I-40 was an original Interstate Highway planned in the [[Federal-Aid Highway Act of 1956]]. In North Carolina, the original highway was to run from the Tennessee state line to Greensboro where the [[freeway]] would end at I-85. In 1958, the first section of completed Interstate Highway in the state was I-40 along the East–West Expressway in Winston-Salem. I-40 received two extension approvals; the first in 1969 to I-95 to be routed in or near [[Smithfield, North Carolina|Smithfield]] and the second in 1984 to Wilmington. After 34&nbsp;years since it first opened, the last section completed was the Winston-Salem Bypass in 1992. The highest point is at {{convert|2786|ft|m}}, located at Swannanoa Gap, and the lowest point is at {{convert|15|ft|m}}, located at the Pender–New Hanover county line.

==Route description==
I-40 travels through several diverse regions in North Carolina, including the [[Great Smoky Mountains|Great Smoky]] and [[Black Mountains (North Carolina)|Black]] mountains of Western North Carolina, the rural [[Foothills (North Carolina)|Foothills]], the suburban and urban [[Piedmont (United States)|Piedmont]], and the farmlands of [[Eastern North Carolina]]. [[Annual average daily traffic]] along the Interstate varies, with it ranging from as little as 15,000 vehicles through [[Duplin County, North Carolina|Duplin]] and Pender counties, to as much as 192,000 through the Research Triangle region.<ref>{{Cite web |last=North Carolina Department of Transportation |date=April 17, 2024 |title=Interstate Traffic Volumes |url=https://connect.ncdot.gov/resources/State-Mapping/Documents/NCDOT2016InterstateFreewayReport.pdf |access-date=April 17, 2024 |website=Transportation Planning Branch - North Carolina Department of Transportation}}</ref> All of I-40 is listed in the [[National Highway System (United States)|National Highway System]], a network of roads important to the country's economy, defense, and mobility.<ref>{{cite map |publisher = Federal Highway Administration |url = http://www.fhwa.dot.gov/planning/national_highway_system/nhs_maps/north_carolina/nc_northcarolina.pdf |format = PDF |title = National Highway System: North Carolina |author = [[Federal Highway Administration]] |location = Raleigh |date = March 25, 2015 |access-date = April 6, 2016 |archive-date = September 22, 2015 |archive-url = https://web.archive.org/web/20150922023709/http://www.fhwa.dot.gov/planning/national_highway_system/nhs_maps/north_carolina/nc_northcarolina.pdf |url-status = live }}</ref><ref>{{cite web |url = http://www.fhwa.dot.gov/planning/national_highway_system/ |title = What is the National Highway System? |work = National Highway System |publisher = [[Federal Highway Administration]] |date = February 26, 2016 |access-date = April 6, 2016 |archive-date = September 24, 2012 |archive-url = https://web.archive.org/web/20120924215257/http://www.fhwa.dot.gov/planning/national_highway_system/ |url-status = live }}</ref> I-40 is also designated as a [[Blue Star Memorial Highway]] throughout the state.<ref>{{Cite web |last=North Carolina Department of Transportation |date=April 11, 2024 |title=Blue Star Memorial Highways Fact Sheet, 2019 |url=https://connect.ncdot.gov/municipalities/ProceduresPolicies/Blue%20Star%20Memorial%20Highways%20Fact%20Sheet,%202019.pdf |access-date=April 11, 2024 |website=North Carolina Department of Transportation}}</ref>

===Western North Carolina===
I-40 enters North Carolina along the north banks of the [[Pigeon River (Tennessee–North Carolina)|Pigeon River]] at the foot of Snowbird Mountain. Winding in parallel with the river, I-40 goes through twin tunnels. When the tunnels opened in 1968, they were the first Interstate tunnels east of the [[Mississippi River]]. I-40 then proceeds through the Pigeon River Gorge for the next {{convert|16|mi|km}}. Just south of exit&nbsp;7, I-40 uses another tunnel, for eastbound traffic only, through Hurricane Mountain.<ref name=Haywood>{{cite map |publisher = [[North Carolina Department of Transportation]] |year = 2009 |title = Haywood County North Carolina |author = North Carolina Public Works Commission |edition = 2009 }}</ref> The westbound lanes use a rock cut through Hurricane Mountain. A short distance after the tunnel is the North Carolina Welcome Center. Immediately afterward is Waterville Lake, where there are a few at-grade intersections in this location, used as service access for [[Walters Dam]] and the [[Harmon Den Wildlife Management Area]].<ref>{{cite web |author= |title=Walters Dam |url=http://sections.asce.org/n_carolina/CE%20Trails/web_pages/walters.htm |url-status=dead |archive-url=https://web.archive.org/web/20090103073944/http://sections.asce.org/n_carolina/CE%20Trails/web_pages/walters.htm |archive-date=January 3, 2009 |access-date=December 4, 2008 |website=ASCE North Carolina Section}}</ref> I-40 continues toward Asheville. The Interstate then merges with [[U.S. Route 74 in North Carolina|US&nbsp;74]] ([[Great Smoky Mountains Expressway]]). I-40 and US&nbsp;74 encounter the [[Interstate 26 in North Carolina|I-26]]/[[Interstate 240 (North Carolina)|I-240]] interchange, sometimes called Malfunction Junction,<ref>{{cite news |url = http://www.citizen-times.com/story/news/local/2016/10/02/answer-man-hope-exit-44-area--40-republicans-first/91338734/ |title = Answer Man: Hope for Exit 44 area on I-40? Republicans first? |last = Boyle |first = John |work = [[Asheville Citizen-Times]] |date = October 2, 2016 |access-date = October 2, 2016 }}</ref> in the southwestern part of the city. The interchange is the current western terminus of I-240 and the original western terminus of I-26. I-40 then goes along the south side of Asheville, north of the [[Biltmore Estate]] toward [[Hickory, North Carolina|Hickory]].<ref name=Buncombe>{{cite map |publisher = North Carolina Department of Transportation |title = Buncombe County |url = http://dotw-xfer01.dot.state.nc.us/imgdot/DOTStateTravelMap/buncombe.jpg |author = North Carolina Department of Transportation |access-date = April 30, 2014 }}</ref> I-40 then has another interchange with I-240 before the Interstate leaves the Asheville area.

[[File:I-40 Eastern Continental Divide.jpg|thumb|upright=.80|I-40 crossing the Eastern Continental Divide in eastern Buncombe County]]
Shortly after it leaves Asheville, I-40 encounters a steep grade, Old Fort Mountain, with winding roads that pose a hazard to truck traffic. There are several runaway truck ramps on this part of the highway. This stretch is about {{convert|6|mi|km|spell=in}} long.<ref>{{Cite news |last=Boyle |first=John |title=Answer Man: I-40 over Old Fort mountain too curvy? Truck wrecks there? |url=https://www.citizen-times.com/story/news/local/2020/06/12/answer-man-40-over-old-fort-mountain-too-curvy/5342064002/ |date=2020-06-12 |access-date=2024-05-13 |work=The Asheville Citizen Times |language=en-US}}</ref> I-40 goes south of [[Black Mountain, North Carolina|Black Mountain]] and [[Marion, North Carolina|Marion]] and north of [[Conover, North Carolina|Conover]].<ref name=McDowell>{{cite map |publisher = North Carolina Department of Transportation |title = McDowell County |url = http://dotw-xfer01.dot.state.nc.us/imgdot/DOTStateTravelMap/mcdowell.jpg |author = North Carolina Department of Transportation |access-date = April 30, 2014 }}</ref> There, it crosses the [[Eastern Continental Divide]] and the southern tip of the [[Black Mountains (North Carolina)|Black Mountains]]. When I-40 enters Hickory, it has a clover interchange with [[U.S. Route 321 in North Carolina|US&nbsp;321]], providing access north to [[Hickory, North Carolina|Hickory]] and south to [[Lincolnton, North Carolina|Lincolnton]] and [[Gastonia, North Carolina|Gastonia]]. I-40 then heads south of Hickory and crosses the [[Catawba River]] on the Cecil H. Hoffman Bridge.<ref name=Catawba>{{cite map |publisher = North Carolina Department of Transportation |title = Catawba County |url = http://dotw-xfer01.dot.state.nc.us/imgdot/DOTStateTravelMap/catawba.jpg |author = North Carolina Department of Transportation |access-date = February 28, 2014 }}</ref> After that, it enters [[Iredell County, North Carolina|Iredell County]] and passes [[Statesville, North Carolina|Statesville]] north of the city. It has major interchanges with US&nbsp;64 and US&nbsp;21 before utilizing a partial turbine/cloverleaf interchange with [[Interstate 77 in North Carolina|I-77]]. This interchange was reconstructed to help alleviate congestion around the area.<ref>{{Cite web |title=NCDOT: I-40/77 Interchange Improvements |url=https://www.ncdot.gov/projects/i40-i77-interchange/Pages/default.aspx |access-date=2024-04-10 |website=NCDOT |language=en-US}}</ref>

===Piedmont region===
I-40 heads northeast upon entering into the region, passing [[Mocksville, North Carolina|Mocksville]] and [[Clemmons, North Carolina|Clemmons]]. From here, I-40 widens to six lanes before entering Winston-Salem. It has meets with a major interchange, with the [[Salem Parkway (North Carolina)|Salem Parkway]] which carries [[U.S. Route 421 in North Carolina|US&nbsp;421]] as well as its [[Interstate 40 Business#North Carolina|former business loop]]. This interchange gives access to downtown Winston-Salem.<ref name="Forsyth County map">{{cite map |publisher = North Carolina Department of Transportation |title = Forsyth County |url = http://dotw-xfer01.dot.state.nc.us/imgdot/DOTStateTravelMap/forsyth.jpg |author = North Carolina Department of Transportation |access-date = April 30, 2014 |archive-date = December 24, 2023 |archive-url = https://web.archive.org/web/20231224090738/https://xfer.services.ncdot.gov/imgdot/DOTStateTravelMap/forsyth.jpg |url-status = live }}</ref> Continuing through the Southern part of the Winston-Salem city limits, I-40 bears a more eastern direction, passing [[Hanes Mall]] and the commercial developments around the area. After passing the area, it has a cloverleaf interchange with [[Interstate 285 (North Carolina)|I-285]]/[[U.S. Route 52 in North Carolina|US&nbsp;52]]/[[North Carolina Highway 8|NC&nbsp;8]].<ref>{{google maps|url=https://www.google.com/maps/@36.0651271,-80.2291883,15z?hl=en|access-date=February 27, 2014}}</ref> It later meets [[Interstate 74 in North Carolina|I-74]], which exits off to the south toward [[High Point, North Carolina|High Point]]. From here I-40 continues northeast bypassing most of [[Kernersville]] to the south shortly before meeting with US&nbsp;421 shortly after passing the Guilford County line.<ref>{{google maps|url=https://www.google.com/maps/dir/36.0620916,-80.2287592/36.0611202,-80.1927532/@36.0640517,-80.2027525,15z/data=!4m3!4m2!1m0!1m0?hl=en|access-date=February 27, 2014}}</ref> US&nbsp;421 runs a concurrency with I-40 into Greensboro.<ref>{{google maps|url=https://www.google.com/maps/@36.0977708,-80.0095061,14z?hl=en|access-date=February 27, 2014}}</ref><ref name="google.com">{{google maps|url=https://www.google.com/maps/dir/35.7756734,-83.0982212/34.2718426,-77.8696731/@35.7883592,-80.51229,666917m/data=!3m1!1e3!4m4!4m3!1m0!1m0!5i2?hl=en|access-date=April 23, 2014}}</ref><ref name="2013map">{{cite map |publisher = North Carolina Department of Transportation |year = 2013 |title = State Transportation Map |author = North Carolina State Tax Commission |edition = 2013–2014 }}</ref>

[[File:I-40W-Sunflowers.jpg|thumb|left|Sunflowers along I-40 westbound ]]
I-40 heads into the Greensboro city limits before reaching the large I-73/US&nbsp;421/I-840 interchange. This interchange is the east end of the US&nbsp;421 concurrency with I-40 as well as the western terminus of I-840.<ref name=Guilford>{{cite map |publisher = [[North Carolina Department of Transportation]] |year = 2010 |title = Guilford County North Carolina |author = North Carolina Public Works Commission |edition = 2010 }}</ref> From there, I-40 heads through southwestern Greensboro. I-40 passes Wendover Place and [[Four Seasons Town Centre]] before having another large interchange with [[U.S. Route 220 in North Carolina|US&nbsp;220]].<ref>{{google maps|url=https://www.google.com/maps/@36.0542749,-79.8648814,14z?hl=en|access-date=April 23, 2014}}</ref> [[U.S. Route 29 in North Carolina|US&nbsp;29]]/[[U.S. Route 70 in North Carolina|US&nbsp;70]] all merge into I-40/US&nbsp;220 for a major concurrency {{convert|1|mi|km|spell=in}} after the interchange with US&nbsp;220.<ref>{{google maps|url=https://www.google.com/maps/dir/36.0353052,-79.819486/36.0328411,-79.8022627/@36.0355198,-79.8143271,16z/data=!4m4!4m3!1m0!1m0!3e0?hl=en|access-date=April 23, 2014}}</ref> The Interstate is generally a six-lane [[freeway]] throughout in this area.<ref name=GoogleMaps>{{google maps|url=https://www.google.com/maps/@36.0373878,-79.7850538,162m/data=!3m1!1e3?hl=en|access-date=April 23, 2014}}</ref>

This {{convert|2.5|mi|km|adj=on}} corridor with concurrent routes ends in the east at the US&nbsp;29/US&nbsp;70/US&nbsp;220/Martin Luther King Jr. Boulevard junction. Both the beginning and ending interchanges of this corridor are quite unusual in design and are often operating at above full capacity, leading to frequent traffic [[Traffic congestion|jam]]s and incidents.<ref name="google.com"/><ref name=2013map/><ref name="Annual Average Daily Traffic">{{cite map |publisher = North Carolina Department of Transportation |year = 2011 |title = Greensboro North Carolina |author = North Carolina Public Works Commission |edition = 2011 }}</ref>

{{Anchor|Through Greensboro}}I-40 through Greensboro officially bears the name Preddy Boulevard. The nickname "Death Valley" has been given to the area of I-40 where I-40 and [[Interstate 85 Business (North Carolina)|I-85 Business]] (I-85 Bus.) splits. The locals have given that area that name because of the high number of deaths due to car crashes in that area.<ref>{{cite news |url = http://www.wral.com/news/news_briefs/story/9826900/ |title = Scene of I-40 Triple Fatal Wreck Worries Drivers |location = Raleigh, NC |publisher = [[WRAL-TV]] |date = July 7, 2011 |access-date = February 13, 2014 |archive-date = February 21, 2014 |archive-url = https://web.archive.org/web/20140221182942/http://www.wral.com/news/news_briefs/story/9826900/ |url-status = live }}</ref><ref>{{cite news |date = December 23, 2013 |first = Andrea |last = Cavallier |url = http://myfox8.com/2013/12/23/all-lanes-of-i-40-blocked-due-to-wreck/ |title = One Dead in I-40 Wreck, Lanes Reopened |location = High Point, NC |publisher = [[WGHP]]-TV |access-date = February 13, 2014 |archive-date = February 20, 2014 |archive-url = https://web.archive.org/web/20140220042435/http://myfox8.com/2013/12/23/all-lanes-of-i-40-blocked-due-to-wreck/ |url-status = live }}</ref> One major problem with the highway is that the US&nbsp;29/US&nbsp;70/US&nbsp;220 southbound lanes merge from the right and exit to the left. Thus, through traffic on I-40 west and US&nbsp;29 south (a major route from [[Virginia]] to [[Charlotte, North Carolina|Charlotte]]) must all merge to the other side of the freeway. A study conducted by state traffic engineers from May 1, 2006, to April 30, 2008, (the period between the I-85 relocation and I-40's relocation) concluded that "the Death Valley area" had an accident rate "higher than average for urban interstates [...] but the [route] was safe anyway".<ref name=studyws>{{cite news |title = Which Way Do We Go? |work = Winston-Salem Journal |date = February 1, 2009 |page = 1A }}</ref> There were no fatalities during the study period, but a large number of rear-end collisions.<ref name="google.com"/><ref name=2013map/><ref name=studyws />

[[File:I40i85NC.jpg|thumb|I-40/I-85 through Burlington]]
I-40 merges with I-85 east of Greensboro. I-40 and I-85 have a {{convert|31|mi|km|adj=on}} concurrency through Guilford, Alamance, and Orange counties. The concurrency section uses I-85 exit numbers instead of I-40 exit numbers. The section goes south of [[Elon, North Carolina|Elon]], [[Burlington, North Carolina|Burlington]], [[Graham, North Carolina|Graham]], and [[Mebane, North Carolina|Mebane]], passing through generally suburban development. I-40 breaks ways from I-85 at exit&nbsp;163, south of [[Hillsborough, North Carolina|Hillsborough]], where I-85 continues east.<ref name=2013map/><ref name=GoogleMaps/>

After I-40 breaks away from I-85, it heads in a very southeasterly direction toward [[Chapel Hill, North Carolina|Chapel Hill]], going through rural areas and a forest. I-40 parallels [[North Carolina Highway 86|NC&nbsp;86]] until NC&nbsp;86 crosses I-40 at exit&nbsp;266. The interstate then passes more suburban areas as well as northern Chapel Hill and through southern [[Durham, North Carolina|Durham]]. I-40 enters [[Research Triangle Park]] (RTP) after an interchange with [[Interstate 885|I-885]] and [[North Carolina Highway 885|NC&nbsp;885]]. The Interstate varies in width, from four to eight lanes, depending on the location. It serves as a major thoroughfare between [[Raleigh, North Carolina|Raleigh]], [[Cary, North Carolina|Cary]], and Durham (the other being [[U.S. Route 70 in North Carolina|US&nbsp;70]]). After leaving the Research Triangle area, I-40 has an interchange with [[Interstate 540 (North Carolina)|I-540]] near [[Raleigh–Durham International Airport]]. Several I-40 exits serve Raleigh–Durham, including Aviation Parkway, Airport Boulevard, and I-540. I-40 continues to head southeast toward downtown Raleigh. I-40 is routed north of [[Cary, North Carolina|Cary]] and south of [[William B. Umstead State Park]]. At Wade Avenue, I-40 bears right to head south. It then has an interchange with [[Interstate 440 (North Carolina)|I-440]]/[[U.S. Route 1 in North Carolina|US&nbsp;1]]/[[U.S. Route 64 in North Carolina|US&nbsp;64]] at exits&nbsp;293A and 293B. I-40 then runs a concurrency with US&nbsp;64 along the south side of Raleigh. The concurrency ends at an interchange with [[Interstate 87 (North Carolina)|I-87]]/I-440/US&nbsp;64 at exit&nbsp;301, where I-40 turns south.<ref name="google.com"/><ref name=2013map/>

===Eastern North Carolina===
Beyond exit&nbsp;301, I-40 follows a primarily south-southeasterly routing to Wilmington. It departs Raleigh and runs along through eastern [[Garner, North Carolina|Garner]] between Jones Sausage Road (exit&nbsp;303) and White Oak Road. I-40 meets US&nbsp;70 and US&nbsp;70 Business in Garner at exit&nbsp;306. Additionally, I-40 begins to parallel [[North Carolina Highway 50|NC&nbsp;50]] starting near exit&nbsp;306 in Garner and continuing through [[Kenansville, North Carolina|Kenansville]]. I-40 and US&nbsp;70 travel along a {{Convert|4.1|mi|km}} concurrency to exit&nbsp;309 where US&nbsp;70 diverges to the east toward [[Selma, North Carolina|Selma]] and [[New Bern, North Carolina|New Bern]]. South of exit&nbsp;309, I-40 leaves Wake County and enters [[Johnston County, North Carolina|Johnston County]]. As the highway leaves suburban regions surrounding Raleigh, it interchanges with [[North Carolina Highway 42|NC&nbsp;42]] (exit&nbsp;312), [[North Carolina Highway 210|NC&nbsp;210]] (exit&nbsp;319), and [[North Carolina Highway 242|NC&nbsp;242]] (exit&nbsp;325) which provide access to [[Clayton, North Carolina|Clayton]], [[Angier, North Carolina|Angier]], and [[Benson, North Carolina|Benson]]. I-40 travels to the east of Benson, crossing over [[U.S. Route 301 in North Carolina|US&nbsp;301]], but provides no access to the highway. Immediately south of US&nbsp;301, I-40 meets [[Interstate 95 in North Carolina|I-95]] at exit&nbsp;328, a modified [[cloverleaf interchange]]. This interchange was redesigned to help smoothen out the driving surface from the I-40 bridges to I-95.<ref>{{Cite press release |title = NCDOT: I-95/I-40 Interchange Bridge Work to Require Ramp Closures |url = https://www.ncdot.gov/news/press-releases/Pages/2018/2018-08-03-i-95-40-bridge.aspx |access-date = 2024-04-11 |publisher = North Carolina Department of Transportation |language = en-US }}</ref>

[[File:Exit 301 WB on I-40 2.jpg|thumb|I-40 westbound at exit 301]]
I-40 continues southeast through rural Johnston County farmland, meeting [[North Carolina Highway 96|NC&nbsp;96]] (exit&nbsp;334) north of [[Peacocks Crossroads, North Carolina|Peacocks Crossroads]]. Approaching [[Newton Grove, North Carolina|Newton Grove]], I-40 leaves Johnston County and crosses into [[Sampson County, North Carolina|Sampson County]]. I-40 travels along the southwestern side of Newton Grove, interchanging with NC&nbsp;50 and [[North Carolina Highway 55|NC&nbsp;55]] at exit&nbsp;341 and [[U.S. Route 701 in North Carolina|US&nbsp;701]] at exit&nbsp;343. [[U.S. Route 13 in North Carolina|US&nbsp;13]] crosses over I-40 in the vicinity of Newton Grove, but there is not a dedicated interchange. I-40 continues southeast of Newton Grove through rural Sampson County. It meets [[U.S. Route 117 Connector (Calypso, North Carolina)|US&nbsp;117 Connector]] and [[North Carolina Highway 403|NC&nbsp;403]] at exit&nbsp;355 southwest of [[Faison, North Carolina|Faison]], and I-40 begins to parallel US&nbsp;117 near the exit.<ref>{{Cite web |author = North Carolina State Highway Patrol |date = May 10, 2024 |title = NCSHP Coastal Evacuation Plan |url = https://www.ncdps.gov/documents/files/shp-troop-b-coastal-evacuation-plan-sampson-county-map/open |access-date = May 10, 2024 |publisher = North Carolina State Highway Patrol }}</ref> I-40 departs Sampson County and enters [[Duplin County, North Carolina|Duplin County]] approximately {{Convert|4|mi|km|spell=in}} southeast of exit&nbsp;355. It continues through Duplin County for approximately {{Convert|5|mi|km|spell=in}} before meeting [[North Carolina Highway 24|NC&nbsp;24]] and [[North Carolina Highway 24 Business (Warsaw–Kenansville)|NC&nbsp;24 Bus.]] (exit&nbsp;364) west of [[Warsaw, North Carolina|Warsaw]]. At the interchange, NC&nbsp;24 begins an {{Convert|8.4|mi|km}} concurrency with I-40 to the southeast. An interchange with US&nbsp;117 (exit&nbsp;369) is located south of Warsaw and I-40 begins to travel around [[Magnolia, North Carolina|Magnolia]] to the east. NC&nbsp;24 departs the freeway at [[North Carolina Highway 903|NC&nbsp;903]] (exit&nbsp;373) which provides access to Kenansville. After the interchange, I-40 primarily turns to the south, bypassing [[Teachey, North Carolina|Teachey]], [[Rose Hill, North Carolina|Rose Hill]], and [[Wallace, North Carolina|Wallace]] to the east. Interchanges with Charity Road (exit&nbsp;380), [[North Carolina Highway 11|NC&nbsp;11]] (exit&nbsp;384), and [[North Carolina Highway 41|NC&nbsp;41]] (exit&nbsp;385) provide access to these towns and to US&nbsp;117.<ref>{{Cite web |author = North Carolina Department of Transportation |date = May 10, 2024 |title = I-40 Ramps: Duplin & Pender County |url = https://xfer.services.ncdot.gov/dsplan/2019%20Highway%20Letting/08-20-19/Plans%20and%20Proposals/I-5940_Duplin_Pender_45882.3.GV1_I5940_C204337/Individual%20Sheets/100%20Plans/001_006_I5940_2_map.pdf |access-date = May 10, 2024 |publisher = North Carolina Department of Transportation }}</ref> I-40 begins to run parallel to the [[Northeast Cape Fear River]] and enters [[Pender County, North Carolina|Pender County]] after crossing Rockfish Creek near Wallace.<ref>{{Cite web |author = North Carolina Department of Transportation |date = May 10, 2024 |title = Pender County Bridge |url = https://xfer.services.ncdot.gov/imgdot/DOTBridgeMaps/PDF_BridgeOneSheet/Pender_BridgeMap_OneSheet.pdf |access-date = May 10, 2024 |publisher = North Carolina Department of Transportation }}</ref>

[[File:Beginning of Interstate 40 (39245153235).jpg|thumb|Eastern terminus of I-40 at US&nbsp;117 and NC&nbsp;132 looking westbound]]
The highway once again meets US&nbsp;117, at an interchange south of Wallace, and crosses to the western side of US&nbsp;117. I-40 remains on the western side of US&nbsp;117 for {{Convert|5.6|mi|km}} until it crosses over I-40 north of [[Burgaw, North Carolina|Burgaw]]. The highway bypasses Burgaw to the east, meeting [[North Carolina Highway 53|NC&nbsp;53]] (exit&nbsp;398) east of the town. Continuing south, I-40 once again meets NC&nbsp;210 at exit&nbsp;408 near [[Rocky Point, North Carolina|Rocky Point]] and then crosses the Northeast Cape Fear River into [[New Hanover County, North Carolina|New Hanover County]] where it picks up the name "Michael Jordan Freeway".<ref>{{Cite web |author = North Carolina Department of Transportation |date = April 5, 1991 |title = CEO_KM_C754e-20160525115111 |url = https://xfer.services.ncdot.gov/gisdot/DOTHD/bios/ACT_Resolution_Michael_Jordan.pdf |access-date = April 11, 2024 |publisher = North Carolina Department of Transportation }}</ref> I-40 passes to the east of [[Castle Hayne, North Carolina|Castle Hayne]] and interchanges with Holly Shelter Road at exit&nbsp;412. An interchange with [[Interstate 140 (North Carolina)|I-140]] and [[Interstate 140 (North Carolina)|NC&nbsp;140]] is located {{Convert|2.5|mi|km}} south of Holly Shelter Road at exit&nbsp;416. From I-140 and NC&nbsp;140, I-40 continues south passing east of Olsen Park before turning to the southwest and meeting US&nbsp;117 and [[North Carolina Highway 132|NC&nbsp;132]] at exit&nbsp;420. Eastbound I-40 runs concurrently with US&nbsp;117 and NC&nbsp;132 for {{Convert|0.2|mi|km}} beyond the exit, while westbound I-40 is concurrent with US&nbsp;117 and NC&nbsp;132 for approximately {{Convert|0.5|mi|km}} due to the design of the interchange. The eastern terminus of I-40 is located at US&nbsp;117 and NC&nbsp;132 north of Kings Grant Road in Wilmington, where both US 117 and NC 132 drop the concurrency. The highway continues south as North College Road toward [[U.S. Route 74 in North Carolina|US&nbsp;74]], the [[University of North Carolina Wilmington]], and [[Carolina Beach, North Carolina|Carolina Beach]].<ref name="google.com"/><ref name=2013map/><ref name="2011–2012 State Highway Map">{{cite map |publisher = North Carolina Department of Transportation |year = 2011 |title = North Carolina State Transportation Map |author = North Carolina Public Works Commission |edition = 2011–2012 }}</ref>

===Dedicated and memorial names===
The freeway bears several names in addition to the I-40 designation. Throughout the state, the freeway is known as the [[Blue Star Memorial Highway]], a name shared with multiple Interstates across the state.<ref>{{cite web |author = Staff |url = http://www.ncdot.gov/programs/environmental/bluestar/ |title = NC Blue Star Memorial Marker Locations |publisher = North Carolina Department of Transportation |access-date = November 24, 2011 |archive-url = https://web.archive.org/web/20110522011307/http://ncdot.gov/programs/environmental/bluestar/ |archive-date = May 22, 2011 |url-status = dead }}</ref> From the Guilford–Alamance county line to {{convert|1|mi|km|spell=in}} east of NC&nbsp;54, in Graham, I-40/[[Interstate 85 in North Carolina|I-85]] is known as the Sam Hunt Freeway.<ref>{{Cite web |last=North Carolina Department of Transportation |date=September 5, 1997 |title=Resolution for Sam Hunt |url=https://xfer.services.ncdot.gov/gisdot/DOTHD/bios/ACT_Resolution_Sam_Hunt.pdf |access-date=April 17, 2024 |website=CEO_KM_C754e-20160602084151}}</ref> The freeway is known as the Harriet Morehead Berry Freeway through Orange County, named for a leader in the [[Good Roads Movement]] in North Carolina.<ref>{{Cite web |url = http://ncpedia.org/biography/berry-harriet-morehead |title = Berry, Harriet Morehead |last = Mckown |first = Harry |date = 1979 |website = NCpedia |access-date = June 13, 2016 |archive-date = June 17, 2016 |archive-url = https://web.archive.org/web/20160617025453/http://ncpedia.org/biography/berry-harriet-morehead |url-status = live }}</ref><ref>{{Cite web |last=North Carolina Department of Transportation |date=February 14, 1986 |title=Resolution for Harriet Morehead Berry Freeway |url=https://xfer.services.ncdot.gov/gisdot/DOTHD/bios/ACT_Resolution_Harriet_Morehead_Berry.pdf |access-date=April 17, 2024}}</ref> Between US&nbsp;15/US&nbsp;501 in Chapel Hill to I-885/NC&nbsp;885 in Durham, I-40 is known as the [[John Motley Morehead III]] Freeway who was a noted philanthropist and graduate from the [[University of North Carolina at Chapel Hill]].<ref>{{Cite web |last=North Carolina Department of Transportation |date=September 10, 1988 |title=Resolution for John Motley Morehead III |url=https://xfer.services.ncdot.gov/gisdot/DOTHD/bios/ACT_Resolution_John_Motley_Morehead_III.pdf |access-date=April 17, 2024}}</ref> I-40 is the Dan K. Moore Freeway through the Research Triangle Park. The section is named after Dan K. Moore who was [[Dan K. Moore|the 66th governor of North Carolina]].<ref>{{Cite web |last=North Carolina Department of Transportation |date=July 30, 2015 |title=Road and Bridge Namings in North Carolina |url=https://connect.ncdot.gov/resources/safety/Teppl/TEPPL%20All%20Documents%20Library/Road_Bridge_Names.pdf |access-date=April 17, 2024 |page=20}}</ref><ref>{{Cite web |last=North Carolina Department of Transportation |date=November 8, 1985 |title=Resolution Designating the Dan K. Moore Freeway |url=https://xfer.services.ncdot.gov/gisdot/DOTHD/bios/ACT_Resolution_Dan_K_Moore.pdf |access-date=April 17, 2024}}</ref> From the Wade Avenue Extension to US&nbsp;70 in Garner, the freeway is known as the Tom Bradshaw Freeway, named after [[Thomas W. Bradshaw|the 33rd mayor of Raleigh]].<ref>{{Cite news |last=Campbell |first=Colin |date=October 17, 2014 |title=Former mayor, businessman make education focus of NC Senate District 15 race |url=https://www.newsobserver.com/news/politics-government/state-politics/article10098701.html |access-date=May 10, 2024 |work=The News & Observer}}</ref> I-40 is the James Harrington Freeway from US&nbsp;70 to I-95.<ref>{{Cite web |last=North Carolina Department of Transportation |date=November 3, 1989 |title=Resolution for the James E. Harrington Freeway |url=https://xfer.services.ncdot.gov/gisdot/DOTHD/bios/ACT_Resolution_James_E_Harrington.pdf |access-date=May 10, 2024 |website=North Carolina Department of Transportation}}</ref> In [[Johnston County, North Carolina|Johnston]], south of I-95, and [[Sampson County, North Carolina|Sampson]] counties, I-40 is dedicated to [[Robert D. Warren Sr.]] who was a former State Director of Driver's Licenses and State Senator from the area.<ref>{{Cite web |title=Robert Warren Obituary (2013) - Benson, NC - The News & Observer |url=https://www.legacy.com/us/obituaries/newsobserver/name/robert-warren-obituary?id=12419737 |access-date=2024-05-10 |website=Legacy.com}}</ref> In [[Duplin County, North Carolina|Duplin County]], a section of I-40 {{convert|6.95|mi|km}} north of NC&nbsp;24 west of [[Warsaw, North Carolina|Warsaw]] to {{convert|6.95|mi|km}} south of NC&nbsp;24 is known as the Henry L. Stevens Jr. Highway, who was a commander of the [[American Legion]] and a [[North Carolina Superior Court]] judge.<ref>{{Cite web |url = http://www.ncmarkers.com/Markers.aspx?MarkerId=F-63 |title = Marker: F-63 |website = North Carolina Historical Marker Program |publisher = North Carolina Department of Cultural Resources |access-date = June 13, 2016 |archive-date = May 24, 2016 |archive-url = https://web.archive.org/web/20160524141143/http://www.ncmarkers.com/Markers.aspx?MarkerId=F-63 |url-status = live }}</ref> From the Pender–New Hanover county line to the eastern terminus of I-40, the freeway is known as the [[Michael Jordan|Michael Jordan Highway]], named after the famous basketball player who grew up in Wilmington and was a graduate of the University of North Carolina at Chapel Hill.<ref>{{cite web |author = Staff |publisher = North Carolina Department of Transportation |url = https://connect.ncdot.gov/resources/safety/Teppl/TEPPL%20All%20Documents%20Library/Sorted%20by%20County.pdf |title = North Carolina Memorial Highways and Other Named Facilities |date = July 15, 2004 |access-date = November 24, 2013 |url-status = dead |archive-url = https://web.archive.org/web/20121229090753/https://connect.ncdot.gov/resources/safety/Teppl/TEPPL%20All%20Documents%20Library/Sorted%20by%20County.pdf |archive-date = December 29, 2012 }}</ref><ref name="NCMH">{{cite web |author = Staff |publisher = North Carolina Department of Transportation |url = https://connect.ncdot.gov/resources/safety/Teppl/TEPPL%20All%20Documents%20Library/Road_Bridge_Names.pdf |title = Road and Bridge Namings in North Carolina |date = July 30, 2015 |access-date = May 24, 2017 |archive-date = March 30, 2016 |archive-url = https://web.archive.org/web/20160330205940/https://connect.ncdot.gov/resources/safety/Teppl/TEPPL%20All%20Documents%20Library/Road_Bridge_Names.pdf |url-status = live }}</ref> I-40 has also been given the name Tobacco Road by college sports fans because the freeway links up the four North Carolina schools in the [[Atlantic Coast Conference]].<ref>{{cite news |url = http://abclocal.go.com/wtvd/story?section=triangle&id=5043833&ft=lg |title = What is Tobacco Road? |location = Durham, NC |publisher = [[WTVD]]-TV |access-date = November 24, 2011 |url-status = dead |archive-url = https://web.archive.org/web/20110521072257/http://abclocal.go.com/wtvd/story?section=triangle&id=5043833&ft=lg |archive-date = May 21, 2011 }}</ref>

On February 1, 2024, I-40 was named the Jimmy Capps Freeway, after [[Jimmy Capps]], a country music singer and songwriter from Benson. <ref>{{Cite web |first=Laura |last = Latta |date=February 9, 2024 |title=Highway named for local country music legend |url=https://www.mydailyrecord.com/arts_and_entertainment/spotlight/highway-named-for-local-country-music-legend/article_469003ec-c6a5-11ee-90c4-bfbf61b138a0.html |access-date=February 9, 2024 |website=The Daily Record |language=en}}</ref><ref>{{Cite web |last=Stradling |first=Richard |date=February 1, 2024 |title=Part of I-40 will be named for a country music mainstay from Johnston County |url=https://www.newsobserver.com/news/local/counties/johnston-county/article284917567.html |access-date=February 9, 2024 |website=News & Observer}}</ref>

==History==
Authorized by the [[Federal-Aid Highway Act of 1956]], North Carolina was originally allocated {{convert|714|mi|km}} for their share of the [[Interstate Highway System]]; {{convert|219|mi|km}} of which was subsequently allocated for a route from the Tennessee state line, through Asheville and Winston-Salem, to Greensboro. Designated as I-40, it became the first Interstate in the state after opening on a completed {{convert|3|mi|km|adj=mid|spell=in|-long}} section in Winston-Salem in 1958. For the next 32&nbsp;years, I-40 was constructed and extended twice to its current routing from the Pigeon River Gorge to Wilmington.<ref name=I40Facts/><ref>{{cite web |title = Interstate Firsts |url = http://www.ncdot.org/public/50thanniv/ncinterstates/download/interstateFirsts.pdf |publisher = North Carolina Department of Transportation |location = Raleigh |url-status = dead |archive-url = https://web.archive.org/web/20081025145716/http://www.ncdot.org/public/50thanniv/ncinterstates/download/interstateFirsts.pdf |archive-date = October 25, 2008 }}</ref>

===Predecessor highways===
The first major overland transportation corridors in North Carolina were the [[Native Americans in the United States|Indian]] trading paths. One of these routes, the Rutherford's Trace, followed the path of modern I-40.<ref>{{cite web |url = http://www.learnnc.org/lp/multimedia/9141 |title = Map of Rutherford's Trace, 1776 |publisher = UNC-Chapel Hill School of Education |date = 2007 |access-date = April 7, 2016 |archive-date = March 24, 2016 |archive-url = https://web.archive.org/web/20160324044410/http://www.learnnc.org/lp/multimedia/9141 |url-status = live }}</ref> In 1921, the [[North Carolina Highway System]] was established, with [[North Carolina Highway 10|NC&nbsp;10]], nicknamed the "Central Highway", designated on the route between Asheville and Greensboro. By the time [[U.S. Route 70 in North Carolina|US&nbsp;70]] was established in 1926 and placed on concurrency on all of NC&nbsp;10, nearly all of the route was either paved or oil-treated. After [[World War II]], the federal government began planning on a new ''Interregional Highway'' system, as mandated by the [[Federal-Aid Highway Act of 1944]], and released a proposed National System of Interstate Highways in 1947, which included a route that followed loosely to US&nbsp;70 from the Tennessee state line to Greensboro.<ref>{{cite map |url = http://commons.wikimedia.org/wiki/File:Interstate_Highway_plan_August_2,_1947_big_text.jpg |title = National System of Interstate Highways |author = [[Public Roads Administration]] |scale = Scale not given |location = Washington, DC |publisher = Public Roads Administration |date = August 2, 1947 |access-date = April 7, 2016 |via = [[Wikimedia Commons]] |archive-date = October 29, 2013 |archive-url = https://web.archive.org/web/20131029202001/http://commons.wikimedia.org/wiki/File:Interstate_Highway_plan_August_2,_1947_big_text.jpg |url-status = live }}</ref> After years of planning and the passing of the Federal-Aid Highway Act of 1956, which established the route between Tennessee and Greensboro, the [[American Association of State Highway and Transportation Officials]] (AASHTO) approved the I-40 designation in 1957.<ref>{{cite book |last = McNichol |first = Dan |date = 2006 |title = The Roads that Built America |location = New York, NY |publisher = Sterling Publishing Co., Inc. |pages = 121–123 |isbn = 978-1402734687 }}</ref>

===Initial design and construction===
In 1958, the first construction job in the country that was designated specifically for I-40 was in [[Haywood County, North Carolina|Haywood County]], along the [[Pigeon River (Tennessee–North Carolina)|Pigeon River]]. That same year, the first two sections of I-40 opened: the first was the {{convert|3|mi|km|adj=mid|spell=in|-long}} East–West Expressway in [[Winston-Salem, North Carolina|Winston-Salem]]; the second was from US&nbsp;421 in Kernersville to US&nbsp;29/US&nbsp;70 in Greensboro. In both cases, these first freeways were constructed a couple of years prior for US&nbsp;158 and US&nbsp;421, respectively, and did not benefit from the 1956 act; as a result, in 1988, the state was able to convince the [[Federal Highway Administration]] (FHWA) to build the Winston-Salem Bypass.<ref name=I40Facts/><ref name="1957 map">{{cite map |publisher = North Carolina State Highway and Public Works Commission |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1443/rec/103 |title = North Carolina Official Highway Map |author = North Carolina State Highway and Public Works Commission |year = 1957 |location = Raleigh |access-date = April 7, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422050629/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1443/rec/103 |url-status = live }}</ref><ref>{{cite map |publisher = North Carolina State Highway Commission |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1446/rec/104 |title = North Carolina Official Highway Map |author = North Carolina State Highway Commission |year = 1958 |location = Raleigh |access-date = April 7, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422060324/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1446/rec/104 |url-status = live }}</ref> Between Ridgecrest and Old Fort, US&nbsp;70 along Youngs Ridge was four lanes as of 1954; I-40, however, was not officially designated until 1982, after additional highway improvements, including additional widening, [[runaway truck ramp]]s, and warning devices.<ref>{{cite news |url = https://www.newspapers.com/image/198662576/?terms=old%2Bfort%2Bus%2B70 |title = Growing Traffic Creates Need For Better Highways |last = Damtoft |first = Walt |work = [[Asheville Citizen-Times]] |date = September 26, 1954 |access-date = June 16, 2020 |via = newspapers.com |page = 13 |archive-date = June 17, 2020 |archive-url = https://web.archive.org/web/20200617192226/https://www.newspapers.com/image/198662576/?terms=old%2Bfort%2Bus%2B70 |url-status = live }}</ref><ref name=1982change>{{cite web |publisher = North Carolina Department of Transportation |url = https://connect.ncdot.gov/resources/safety/Route%20Changes/1982_01_01.pdf |title = Route Change (1982-01-01) |page = 3 |date = January 1, 1982 |access-date = April 7, 2016 |archive-date = March 4, 2016 |archive-url = https://web.archive.org/web/20160304095107/https://connect.ncdot.gov/resources/safety/Route%20Changes/1982_01_01.pdf |url-status = live }}</ref>

In 1960, I-40 made three expansions: in Burke County, from Dysartsville Road (SR&nbsp;1129) to Hildebran (connecting to US&nbsp;64/US&nbsp;70 along I-40 Access Road Southeast (SR&nbsp;1890)); from NC&nbsp;16 in Conover to NC&nbsp;90 in Statesville; and from NC&nbsp;801 near Advance to the US&nbsp;158/US&nbsp;421 split east of Winston-Salem.<ref>{{cite map |publisher = North Carolina State Highway Commission |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9666/rec/155 |title = North Carolina Official Highway Map |author = North Carolina State Highway Commission |year = 1959 |location = Raleigh |access-date = April 7, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422045608/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9666/rec/155 |url-status = live }}</ref><ref>{{cite map |publisher = North Carolina State Highway and Public Works Commission |url = https://xfer.services.ncdot.gov/imgdot/DOTStateTravelMapHistoric/STM1960.pdf |format = PDF |title = North Carolina Official Highway Map |author = North Carolina State Highway and Public Works Commission |year = 1960 |location = Raleigh |access-date = April 7, 2016 |archive-date = March 5, 2016 |archive-url = https://web.archive.org/web/20160305085014/https://xfer.services.ncdot.gov/imgdot/DOTStateTravelMapHistoric/STM1960.pdf |url-status = live }}</ref> In 1961, I-40 extended west from Dysartsville Road to NC&nbsp;226 near Marion. In Statesville, I-40 extended east along a completed widening project of the US&nbsp;64 Bypass, between NC&nbsp;90 to US&nbsp;64.<ref>{{cite map |publisher = North Carolina State Highway Commission |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1449/rec/4 |title = North Carolina Official Highway Map |author = North Carolina State Highway Commission |year = 1961 |location = Raleigh |access-date = April 7, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422053555/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1449/rec/4 |url-status = live }}</ref> In 1962, I-40 extended west from NC&nbsp;226 near Marion to link-up with US&nbsp;70 near Old Fort. In 1963, the gap between Winston-Salem and Kernersville was completed.<ref>{{cite map |publisher = North Carolina State Highway Commission |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1452/rec/1 |title = North Carolina Official Highway Map |author = North Carolina State Highway Commission |year = 1963 |location = Raleigh |access-date = April 7, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422033124/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1452/rec/1 |url-status = live }}</ref> In 1964, I-40 opened a {{convert|12|mi|km|adj=on}} segment from east of Clyde (using the freeway connector from US&nbsp;19/US&nbsp;23) to Wiggins Road (SR&nbsp;1200).<ref>{{cite map |publisher = North Carolina State Highway Commission |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1455/rec/1 |title = North Carolina Official Highway Map |author = North Carolina State Highway Commission |year = 1964 |location = Raleigh |access-date = April 7, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422043031/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1455/rec/1 |url-status = live }}</ref> In 1967, I-40 opened a {{convert|3.8|mi|km|adj=on}} segment through the [[Biltmore Estate]] from NC&nbsp;191 to US&nbsp;25.<ref>{{cite map |publisher = North Carolina State Highway Commission |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1542/rec/50 |title = North Carolina Official Highway Map |author = North Carolina State Highway Commission |year = 1967 |location = Raleigh |access-date = April 7, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422072119/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1542/rec/50 |url-status = live }}</ref> In 1968 and after 10&nbsp;years of construction, I-40 opened a {{convert|20|mi|km|adj=on}} segment from the Tennessee state line to US&nbsp;276 in Cove Creek.<ref>{{cite map |publisher = North Carolina State Highway Commission |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/5234/rec/1 |title = North Carolina Official Highway Map |author = North Carolina State Highway Commission |year = 1968 |location = Raleigh |access-date = April 7, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422090031/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/5234/rec/1 |url-status = live }}</ref><ref>{{cite news |url = https://www.newspapers.com/image/195582918/?terms=interstate%2B40 |title = Principals At Highway Dedicaton |work = [[Asheville Citizen-Times]] |date = October 25, 1968 |page = 15 |via = newspapers.com |access-date = May 27, 2021 |archive-date = April 23, 2022 |archive-url = https://web.archive.org/web/20220423072627/https://www.newspapers.com/image/195582918/?terms=interstate%2B40 |url-status = live }}</ref> In November of same year, the [[North Carolina State Highway Commission]] (NCSHC) submitted a request to the [[Bureau of Public Roads]] (BPR) to extend I-40 east of Greensboro to Raleigh via [[Research Triangle Park|RTP]]. In 1969, both BPR and AASHTO approved the extension, allowing I-40 to continue east of Durham through Raleigh to Smithfield.<ref name=I40Facts/><ref>{{AASHTO minutes |year=1969S |page=10 |access-date=April 7, 2016}}</ref> Also in the same year, I-40 was extended west from NC&nbsp;191 to connect with I-26 and end at US&nbsp;19/US&nbsp;23 in Enka.<ref>{{cite map |publisher = North Carolina State Highway Commission |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1645/rec/1 |title = North Carolina Official Highway Map |author = North Carolina State Highway Commission |year = 1969 |location = Raleigh |access-date = April 7, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422084333/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1645/rec/1 |url-status = live }}</ref> In 1970, I-40 extended west from NC&nbsp;801 near Advance to US&nbsp;64 near Mocksville.<ref>{{cite map |publisher = North Carolina State Highway Commission |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/7169/rec/2 |title = 1970 North Carolina Official Highway Map |author = North Carolina State Highway Commission |year = 1970 |location = Raleigh |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422150318/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/7169/rec/2 |url-status = live }}</ref>

In 1971, two gaps were completed: Wiggins Road (SR&nbsp;1200) to US&nbsp;19/US&nbsp;23 in Enka; and US&nbsp;64 in Statesville to US&nbsp;64 near Mocksville.<ref>{{cite map |publisher = North Carolina State Highway Commission |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/5237/rec/5 |title = North Carolina Official Highway Map |author = North Carolina State Highway Commission |year = 1971 |location = Raleigh |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422120303/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/5237/rec/5 |url-status = live }}</ref> In July, NCSHC finalized a plan for I-40's routing east of Durham to Smithfield, with an estimated cost of $75&nbsp;million (equivalent to ${{formatprice|{{inflation|US-GDP|75000000|1971}}}} in {{inflation/year|US-GDP}}{{inflation/fn|US-GDP}}).<ref>{{cite news |title = SHC Approves I-40 Link in Wake County |newspaper = [[Independent Tribune|Concord Tribune]] |agency = [[Associated Press]] |date = July 20, 1971 }}{{page needed|date= July 2014}}</ref> In December, new freeway opened between Davis Drive (SR&nbsp;1999) in RTP to US&nbsp;1/US&nbsp;64 (Raleigh Beltline) in Raleigh; I-40 was added along {{convert|7|mi|km|spell=in}} between Davis Drive and Harrison Avenue (SR&nbsp;1654), while east of Harrison Avenue (future Wade Avenue) was signed "To I-40".<ref name=I40Facts/><ref>{{cite map |publisher = North Carolina State Highway Commission |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/8413/rec/105 |format = PDF |title = [Highway maintenance map of] Durham County, North Carolina |author = North Carolina State Highway Commission |location = Raleigh |date = January 1, 1972 |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422095113/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/8413/rec/105 |url-status = live }}</ref><ref>{{cite map |publisher = North Carolina State Highway Commission |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/8268/rec/82 |format = PDF |title = [Highway maintenance map of] Wake County, North Carolina |author = North Carolina State Highway Commission |location = Raleigh |date = January 1, 1972 |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422111542/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/8268/rec/82 |url-status = live }}</ref> In 1972, I-40 extended east from US&nbsp;25 in Asheville to Porters Cove Road (SR&nbsp;2838) in Oteen; the extension bypassed both [[U.S. Route 25 Alternate (Arden–Asheville, North Carolina)|US&nbsp;25A]] and US&nbsp;74, where interchanges were built in 1999 and 1973, respectively.<ref>{{cite map |publisher = North Carolina State Highway Commission |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1642/rec/6 |title = North Carolina Official Highway Map |author = North Carolina State Highway Commission |year = 1972 |location = Raleigh |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422140101/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1642/rec/6 |url-status = live }}</ref> In 1973, I-40 and the Durham Freeway (future NC&nbsp;147; now I-885) were connected in RTP.<ref>{{cite map |publisher = North Carolina Department of Transportation |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1654/rec/30 |title = North Carolina Official Highway Map |author = North Carolina Department of Transportation |year = 1973 |location = Raleigh |edition = 1973–1974 |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422142712/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1654/rec/30 |url-status = live }}</ref> In 1974, a gap was completed between US&nbsp;276 in Cove Creek to the freeway connector (future [[Great Smoky Mountains Expressway]]) near Clyde. I-40 also extended east from Porters Cove Road in Oteen to Patton Cove Road (SR&nbsp;2740) in Swannanoa.<ref>{{cite map |publisher = North Carolina Department of Transportation |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1648/rec/27 |title = North Carolina Official Highway Map |author = North Carolina Department of Transportation |year = 1974 |edition = 1974–1975 |location = Raleigh |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422111423/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1648/rec/27 |url-status = live }}</ref> In 1976, a gap of I-40 was completed between Henry River Road (SR&nbsp;1002) in Hildebran and NC&nbsp;16 in Conover.<ref>{{cite map |publisher = North Carolina Department of Transportation |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1663/rec/17 |title = North Carolina Bicentennial Highway Map |author = North Carolina Department of Transportation |year = 1976 |location = Raleigh |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422143721/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/1663/rec/17 |url-status = live }}</ref> In April&nbsp;1978, after years of debate on where I-40 should be routed east of I-95, either Morehead City or Wilmington, the [[North Carolina Department of Transportation]] (NCDOT) approved a corridor location between Raleigh and Wilmington. The discussions on its routing started since the initial extension in 1969 and arguments from several area groups why the routing should go to their port city. In the end, the routing approval to Wilmington came with a caveat to build new freeway in parallel to US&nbsp;117 instead of a full upgrade of US&nbsp;421 as several in the region supported.<ref name=I40Facts/><ref>{{cite news |author =  |date = May 6, 1971 |title = 'Tremendous Boost,' That's How Sampson Official Sees an Interstate Highway |url = https://news.google.com/newspapers?nid=1454&dat=19710506&id=f69OAAAAIBAJ&sjid=twkEAAAAIBAJ&pg=6035,1082924&hl=en |newspaper = [[Star-News|Wilmington Morning Star]] |access-date = June 13, 2016 |archive-date = March 18, 2022 |archive-url = https://web.archive.org/web/20220318173545/https://news.google.com/newspapers?nid=1454&dat=19710506&id=f69OAAAAIBAJ&sjid=twkEAAAAIBAJ&pg=6035,1082924&hl=en |url-status = live }}</ref><ref>{{cite news |author =  |date = November 15, 1971 |title = Interstate 40 Extension Comes in for Criticism |url = https://news.google.com/newspapers?nid=1734&dat=19711115&id=x-gbAAAAIBAJ&sjid=wlEEAAAAIBAJ&pg=1566,1117280&hl=en |newspaper = [[The Dispatch (Lexington)|The Dispatch]] |location = Lexington, NC |access-date = June 13, 2016 |archive-date = April 23, 2022 |archive-url = https://web.archive.org/web/20220423072627/https://news.google.com/newspapers?nid=1734&dat=19711115&id=x-gbAAAAIBAJ&sjid=wlEEAAAAIBAJ&pg=1566,1117280&hl=en |url-status = live }}</ref><ref>{{cite news |last = Dexter |first = Jim |date = April 19, 1978 |title = 4-lane road delay in sight |url = https://news.google.com/newspapers?nid=1454&dat=19780419&id=QNBOAAAAIBAJ&sjid=KRMEAAAAIBAJ&pg=2835,3802134&hl=en |newspaper = Wilmington Morning Star |access-date = June 13, 2016 |archive-date = March 19, 2022 |archive-url = https://web.archive.org/web/20220319021941/https://news.google.com/newspapers?nid=1454&dat=19780419&id=QNBOAAAAIBAJ&sjid=KRMEAAAAIBAJ&pg=2835,3802134&hl=en |url-status = live }}</ref><ref>{{cite news |last = Dexter |first = Jim |date = April 22, 1978 |title = I-40, BOT votes to extend highway to Benson, backs leg to city |url = https://news.google.com/newspapers?nid=1454&dat=19780422&id=Q9BOAAAAIBAJ&sjid=KRMEAAAAIBAJ&pg=6194,4313228&hl=en |newspaper = Wilmington Morning Star |access-date = June 13, 2016 |archive-date = March 18, 2022 |archive-url = https://web.archive.org/web/20220318173557/https://news.google.com/newspapers?nid=1454&dat=19780422&id=Q9BOAAAAIBAJ&sjid=KRMEAAAAIBAJ&pg=6194,4313228&hl=en |url-status = live }}</ref>

=== Extensions and realignments ===
[[File:WilmingtonBarstow.JPG|thumb|left|Barstow, California, distance sign near Wilmington. This sign was permanently removed in 2009 after being repeatedly stolen.<ref>{{Cite web |author=ABC11 |date=November 17, 2009 |title=Stolen I-40 sign gone for good |url=https://abc11.com/archive/7116384/ |url-status=live |archive-url=https://web.archive.org/web/20221127162111/https://abc11.com/archive/7116384/ |archive-date=November 27, 2022 |access-date=November 27, 2022 |website=ABC11.com |publisher=WTVD-TV |language=en}}</ref>]]
In 1979, I-40 was extended east from Patton Cove Road in Swannanoa to US&nbsp;70 in Ridgecrest,<ref>{{cite map|publisher=North Carolina Department of Transportation|url=https://xfer.services.ncdot.gov/imgdot/DOTStateTravelMapHistoric/STM1980.pdf|format=PDF|title=1979-80 North Carolina Transportation Map & Guide to Points of Interest|author=North Carolina Department of Transportation|year=1979|location=Raleigh|edition=1979–1980|access-date=April 8, 2016|archive-date=March 6, 2016|archive-url=https://web.archive.org/web/20160306162956/https://xfer.services.ncdot.gov/imgdot/DOTStateTravelMapHistoric/STM1980.pdf|url-status=live}}</ref> and in 1982, it was designated in concurrency with US&nbsp;70 along Youngs Ridge between Ridgecrest and Old Fort; this officially completed the original I-40 routing from Tennessee to Greensboro.<ref name=1982change/> In 1984, I-40 was extended in Raleigh from Wade Avenue (exit&nbsp;289), along the Tom Bradshaw Freeway, to the Cliff Benson Beltline (exit&nbsp;301).<ref>{{cite map |publisher = North Carolina Department of Transportation |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9699/rec/113 |title = North Carolina Transportation Map |author = North Carolina Department of Transportation |year = 1984 |edition = 1984–1985 |location = Raleigh |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422170435/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9699/rec/113 |url-status = live }}</ref> Also same year, AASHTO approved of designation of I-40 between Wallace and Wilmington, currently under construction at the time.<ref>{{AASHTO minutes |year=1984S |page=10 |access-date=April 8, 2016}}</ref><ref>{{cite web |publisher = North Carolina Department of Transportation |url = https://connect.ncdot.gov/resources/safety/Route%20Changes/1984_08_01.pdf |title = Route Change (1984-08-01) |page = 2 |date = August 1, 1984 |access-date = April 8, 2016 |archive-date = October 7, 2016 |archive-url = https://web.archive.org/web/20161007144238/https://connect.ncdot.gov/resources/safety/Route%20Changes/1984_08_01.pdf |url-status = live }}</ref> By 1985, construction began on a {{convert|22|mi|km|adj=on}} project, connecting the Durham Freeway in the RTP with I-85 west of Hillsborough at an estimated cost of $103&nbsp;million (equivalent to ${{formatprice|{{inflation|US-GDP|103000000|1985}}}} in {{inflation/year|US-GDP}}{{inflation/fn|US-GDP}}).<ref>{{cite news |last = Leland |first = Elizabeth |title = Growing Pains: I-40 Construction Rapidly Transforming Rural Areas into World of Sleek High Rises |newspaper = The Charlotte Observer |date = July 16, 1985 |page = 1A }}</ref> In 1985, I-40 was placed on new {{convert|19|mi|km|adj=on}} section between US&nbsp;117 (exit&nbsp;390) near Willard and NC&nbsp;210 (exit&nbsp;408) near Rocky Point.<ref>{{cite map |publisher = North Carolina Department of Transportation |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9669/rec/117 |title = 1985 North Carolina Transportation Map |author = North Carolina Department of Transportation |year = 1985 |location = Raleigh |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422172004/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9669/rec/117 |url-status = live }}</ref> In 1986, I-40 was extended west from the Durham Freeway (exit&nbsp;279) to NC&nbsp;55 (exit&nbsp;278) in the RTP; I-40 was also extended east to its current eastern terminus at US&nbsp;117/NC&nbsp;132 (exit&nbsp;420) in Wilmington.<ref>{{cite map |publisher = North Carolina Department of Transportation |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9726/rec/119 |title = North Carolina Transportation Map |author = North Carolina Department of Transportation |year = 1986 |location = Raleigh |edition = 1986–1987 |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422161316/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9726/rec/119 |url-status = live }}</ref> In 1987, I-40 was extended west from US&nbsp;117 (exit&nbsp;390) near Willard to NC&nbsp;41 (exit&nbsp;385) near Tin City.<ref>{{cite map |publisher = North Carolina Department of Transportation |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9729/rec/120 |title = 1987 North Carolina Transportation Map |author = North Carolina Department of Transportation |year = 1987 |location = Raleigh |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422161636/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9729/rec/120 |url-status = live }}</ref> In 1988, I-40 was extended west to US&nbsp;15/US&nbsp;501 (exit&nbsp;270) in Chapel Hill and east to US&nbsp;70 (exit&nbsp;306) in Garner. In October, then-Governor [[James G. Martin]] announced federal approval of $114.1&nbsp;million (equivalent to ${{formatprice|{{inflation|US-GDP|114100000|1988}}}} in {{inflation/year|US-GDP}}{{inflation/fn|US-GDP}}) for I-40 to be relocated around Winston-Salem.<ref>{{cite news |title = U.S. Approves Money for I-40 Bypass |newspaper = [[The Charlotte Observer]] |date = October 6, 1988 |page = 4B }}</ref><ref>{{cite map |publisher = North Carolina Department of Transportation |url = http://dc.lib.unc.edu/cdm/singleitem/collection/ncmaps/id/9730/rec/124 |title = 1988 North Carolina Transportation Map |author = North Carolina Department of Transportation |year = 1988 |location = Raleigh |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422182236/http://dc.lib.unc.edu/cdm/singleitem/collection/ncmaps/id/9730/rec/124 |url-status = live }}</ref> In 1989, I-40 was extended west to I-85 (exit&nbsp;259) west of Hillsborough and east to I-95 (exit&nbsp;328) in Benson.<ref name=I40Facts/><ref>{{cite news |agency = Associated Press |title = I-40 Puts Village in Fast Lane; Triangle Approaches |newspaper = The Charlotte Observer |date = October 31, 1988 |page = 1D }}</ref><ref>{{cite map |publisher = North Carolina Department of Transportation |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9687/rec/125 |title = 1989 North Carolina Transportation Map |author = North Carolina Department of Transportation |year = 1989 |location = Raleigh |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422151821/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9687/rec/125 |url-status = live }}</ref> By 1990, I-40 was extended west from NC&nbsp;41 (exit&nbsp;385) in Tin City to US&nbsp;117 (exit&nbsp;369) near Warsaw.<ref>{{cite map |publisher = North Carolina Department of Transportation |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9693/rec/2 |title = North Carolina Transportation Map |author = North Carolina Department of Transportation |year = 1990 |location = Raleigh |edition = 1990–1991 |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422164653/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9693/rec/2 |url-status = live }}</ref> On June 29, 1990, with a ribbon-cutting by Governor Martin, I-40 was connected between Raleigh and Wilmington, providing improved access with the [[North Carolina State Ports Authority|Port of Wilmington]] with the rest of the state.<ref name=I40Facts/> At around this time, a standard distance sign near the start of the westbound section of I-40 in Wilmington indicates the distance to [[Barstow, California]], as {{convert|2554|mi|km}}. In December, AASHTO approved the I-40 designation between Raleigh and Wallace; and in January 1991, NCDOT certified the designation.<ref>{{AASHTO minutes |year=1990A |page=10 |access-date=April 8, 2016}}</ref><ref>{{cite web |publisher = North Carolina Department of Transportation |url = https://connect.ncdot.gov/resources/safety/Route%20Changes/1991_01_18.pdf |title = Route Change (1991-01-18) |page = 2 |date = January 18, 1991 |access-date = April 8, 2016 |archive-date = March 4, 2016 |archive-url = https://web.archive.org/web/20160304070238/https://connect.ncdot.gov/resources/safety/Route%20Changes/1991_01_18.pdf |url-status = live }}</ref>

The final gap of I-40 was completed when it was designated along existing I-85 from Greensboro to west of Hillsborough {{Circa|1992}}. In November 1992, the {{convert|20.89|mi|km|adj=on}} Winston-Salem Bypass was completed and opened, featuring mostly new construction, with a short overlap of existing US&nbsp;311 freeway. The former alignment, featuring the first sections of I-40 completed in the state, was designated as [[Interstate 40 Business (Winston-Salem, North Carolina)|I-40 Bus.]], with a complete concurrency with US&nbsp;421. After 34&nbsp;years, I-40 was officially completed in North Carolina.<ref>{{AASHTO minutes |year=1992A |page=13 |access-date=April 8, 2016}}</ref><ref>{{cite web |publisher = North Carolina Department of Transportation |url = https://connect.ncdot.gov/resources/safety/Route%20Changes/1992_11_09.pdf |title = Route Change (1992-11-09) |page = 2 |date = November 9, 1992 |access-date = April 8, 2016 |archive-date = March 4, 2016 |archive-url = https://web.archive.org/web/20160304095125/https://connect.ncdot.gov/resources/safety/Route%20Changes/1992_11_09.pdf |url-status = live }}</ref><ref>{{cite map |publisher = North Carolina Department of Transportation |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9711/rec/4 |title = North Carolina Transportation Map |author = North Carolina Department of Transportation |year = 1992 |location = Raleigh |edition = 1992–1993 |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422155306/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9711/rec/4 |url-status = live }}</ref><ref>{{cite map |publisher = North Carolina Department of Transportation |url = http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9681/rec/6 |title = 1993-94 North Carolina Transportation Map |author = North Carolina Department of Transportation |year = 1993 |location = Raleigh |edition = 1993–1994 |access-date = April 8, 2016 |archive-date = April 22, 2016 |archive-url = https://web.archive.org/web/20160422155621/http://dc.lib.unc.edu/cdm/compoundobject/collection/ncmaps/id/9681/rec/6 |url-status = live }}</ref>

===Since completion===
In 1996, {{convert|35|mi|km}} of I-40/I-85, through Alamance and Orange counties, were widened to eight lanes. At a cost of $175&nbsp;million (equivalent to ${{formatprice|{{inflation|US-GDP|175000000|1996}}}} in {{inflation/year|US-GDP}}{{inflation/fn|US-GDP}}), the project began in 1989 and opened completed sections in phases.<ref>{{cite news |agency = [[Associated Press]] |title = I-85 Traffic Flow May Be Smoother |work = The Charlotte Observer |date = December 16, 1988 |page = 5B }}</ref><ref>{{cite news |title = North Carolina: Wider I-85 Recommended |work = The Charlotte Observer |date = January 27, 1988 |page = 2B }}</ref><ref>{{cite news |title = NC Interstate Widenings Make Road Ahead Rocky |work = The Charlotte Observer |date = March 14, 1990 |page = 2C }}</ref><ref>{{cite news |first = David A. |last = Hall |title = Interstate 40/85 Freeway Isn't Free of Construction |newspaper = [[Greensboro News & Record]] |date = November 23, 1994 |page = A1 }}</ref>

In December 2004, a {{convert|10.6|mi|km|adj=on}} widening project was completed from US&nbsp;15/US&nbsp;501 (exit&nbsp;270) in Durham to NC&nbsp;147 (now I-885/NC&nbsp;885; exit&nbsp;279) in RTP. The project expanded lanes from four to six lanes.<ref>{{cite news |last = Siceloff |first = Bruce |title = 3rd lane set to open on I-40 E. in Durham |newspaper = The News & Observer |location = Raleigh, NC |date = December 14, 2004 |page = B1 }}</ref> In March 2005, construction crews returned for eight weeks to replace asphalt used in the widening project, which began to deteriorate not long after the lanes opened to the public.<ref>{{cite news |author =  |title = Fix will shut part of I-40 for 8 weeks |newspaper = The News & Observer |location = Raleigh, NC |date = December 14, 2004 |page = B4 }}</ref> The paving mistakes, however, were more severe, and NCDOT contracted Lane Construction Corp to replace all the bad concrete used in the botch widening project, at a cost of $21.7&nbsp;million (equivalent to ${{formatprice|{{inflation|US-GDP|21700000|2005}}}} in {{inflation/year|US-GDP}}{{inflation/fn|US-GDP}}).<ref>{{cite news |last = Siceloff |first = Bruce |title = DOT gets earful on I-40 repair costs |newspaper = The News & Observer |location = Raleigh, NC |date = December 14, 2004 |page = B3 }}</ref><ref>{{cite news |last = Siceloff |first = Bruce |title = I-40's bad concrete gone; lanes open for now |newspaper = The News & Observer |location = Raleigh, NC |date = December 14, 2004 |page = B1 }}</ref>

In 2011, an {{convert|8|mi|km|adj=on|spell=in}} widening project was completed between Harrison Avenue (exit&nbsp;287) and Gorman Street (exit&nbsp;295). At a cost of $49&nbsp;million (equivalent to ${{formatprice|{{inflation|US-GDP|49000000|2011}}}} in {{inflation/year|US-GDP}}{{inflation/fn|US-GDP}}), the project expanded lanes from four to six lanes.<ref>{{cite news |url = http://www.wral.com/traffic/story/9495355/ |title = I-40 widening project almost done |access-date = April 8, 2016 |last = Burns |first = Matthew |date = April 25, 2011 |publisher = WRAL-TV |location = Raleigh, NC |archive-date = May 2, 2016 |archive-url = https://web.archive.org/web/20160502134843/http://www.wral.com/traffic/story/9495355/ |url-status = live }}</ref>

====Pigeon River Gorge====
[[File:I-40W 2012 Rockslide Cleanup.jpg|thumb|upright=0.747|Crews clearing the westbound lanes from the 2012 rockslide]]
The first section of I-40 in North Carolina is the section that travels through the [[Pigeon River (Tennessee–North Carolina)|Pigeon River]] Gorge in [[Haywood County, North Carolina|Haywood County]]. Known locally as simply "The Gorge", this part of I-40 cuts a path from the [[Tennessee]] state line to [[Waynesville, North Carolina|Waynesville]]. This section of the Interstate is curvy and tends to become a bit narrow in some places when compared to other portions of the highway. Because much of the road was cut through mountainside and along the river, concrete retaining walls have been built on both sides of the road and in the median, cutting down on the width of the breakdown lanes. Coupled with speeding vehicles, the thick [[fog]] that tends to plague the area, winter weather, and little room to maneuver in case of accident, this area has become notorious for its severe and many times fatal accidents. It is reported that a person is 20&nbsp;times as likely to die on I-40 in Haywood County than they would be to win the [[Powerball]] lottery, which equals to be twice the average of any other Interstate Highway in North Carolina.<ref>{{cite news |url = http://www.smokymountainnews.com/issues/11_03/11_19_03/fr_hwy_safety.html |title = Highway Safety not Always a Priority: Stepped-Up Enforcement Could Save Lives |first = Becky |last = Johnson |work = The Smoky Mountain News |location = Waynesville, NC |access-date = May 20, 2012 |archive-url = https://web.archive.org/web/20120208144520/http://www.smokymountainnews.com/issues/11_03/11_19_03/fr_hwy_safety.html |archive-date = February 8, 2012 }}</ref>

Even some minor accidents have been known to tie up traffic in this area because there is little room to move accidents off or to the side of the road with the terrain. Speeding [[semitruck]]s have been a problem in the gorge and have subsequently led to many accidents. In 2001 and 2003, two state troopers were killed in two separate accidents by speeding trucks that drifted off the road and hit their [[police car]] conducting a [[traffic stop]]. This led the [[North Carolina State Highway Patrol]] to crack down on speeding tractor trailers and speeders in general through the area.<ref>{{Cite web |last=North Carolina Department of Transportation |date=March 7, 2002 |title=Resolution for Trooper Calvin E. Taylor |url=https://xfer.services.ncdot.gov/gisdot/DOTHD/bios/ACT_Resolution_Trooper_Calvin_E_Taylor%20.pdf |access-date=April 17, 2024 |website=CEO_KM_C754e-20160824073659}}</ref><ref>{{Cite web |title=Trooper killed in I-40 crash |url=https://www.starnewsonline.com/story/news/2003/05/31/trooper-killed-in-i-40-crash/30518272007/ |access-date=2024-04-17 |website=Wilmington Star-News |language=en-US}}</ref>

This portion of the highway is also notorious for [[rockslide]]s and rocks falling onto the highway. The main cause is an engineering flaw; sections of the highway have been built on the north side of the Pigeon River, where the rock stratums foliate toward the highway.<ref>{{Cite web |last=Hyatt |first=Vicki |date=2012-01-31 |title=The early history of the Pigeon River Road (I-40) in Haywood County |url=https://www.themountaineer.com/news/the-early-history-of-the-pigeon-river-road-i-40-in-haywood-county/article_f210c81b-4fdf-56fc-b499-a603ea8770a6.html |access-date=2024-05-30 |website=The Mountaineer |language=en}}</ref>

In 1985, a severe rockslide buried the westbound entrance to one of two tunnels that carry the highway through the gorge. Repair of the slide area and the tunnel required shifting westbound traffic to the eastbound tunnel, while eastbound traffic was diverted onto a temporary viaduct around the tunnels.<ref>{{Cite web |last=Setzer |first=Joel |date=February 13, 2012 |title=I-40 Rock Slides, Haywood County |url=https://webservices.ncleg.gov/ViewDocSiteFile/25313 |access-date=April 5, 2024 |website=North Carolina Department of Transportation |page=7-8}}</ref> In July 1997, a rockslide near the Tennessee state line closed the entire road for nearly three months.<ref>{{cite report |last = Tolbert |first = Eric L. |date = August 6, 1998 |url = http://www.dem.dcc.state.nc.us/PIO/97report.PDF |archive-url = https://web.archive.org/web/20080626055016/http://www.dem.dcc.state.nc.us/PIO/97report.PDF |archive-date = June 26, 2008 |title = 1997 Annual Report |publisher = North Carolina Department of Crime Control and Public Safety Division of Emergency Management |access-date = July 6, 2014 }}</ref>

In 2009, a large rockslide at milemarker&nbsp;2.6 along I-40 near the Tennessee state line shut down the freeway for several weeks. While the slide only caused minor injuries, it shut down I-40 in both directions.<ref>{{cite news |last = Hickman |first = Hayes |url = http://www.knoxnews.com/news/2010/apr/25/section-of-i-40-back-open-after-oct-slide/ |title = Section of I-40 Closed Since Oct. Rockslide Reopens |work = Knoxville News Sentinel |date = April 25, 2010 |access-date = September 19, 2011 |archive-date = October 4, 2012 |archive-url = https://web.archive.org/web/20121004095435/http://www.knoxnews.com/news/2010/apr/25/section-of-i-40-back-open-after-oct-slide/ |url-status = live }}</ref><ref>{{cite press release |url = https://apps.dot.state.nc.us/pio/releases/details.aspx?r=5969 |archive-url = https://wayback.archive-it.org/all/20120920085609/https://apps.ncdot.gov/NewsReleases/details.aspx?r=5969 |url-status = dead |archive-date = September 20, 2012 |title = Interstate 40 West Closed at Exit 20 in North Carolina Near Tennessee Border Due to Rockslide in Tennessee |access-date = February 4, 2012 |author = Staff |date = January 31, 2012 |publisher = North Carolina Department of Transportation }}</ref><ref>{{cite news |url = http://www.foxcarolina.com/story/16660599/tdot-i-40-should-reopen-by-monday-after-rockslide |title = TDOT: I-40 should reopen by Monday following rockslide |access-date = February 4, 2012 |last = Vaughn |first = Casey |date = January 31, 2012 |publisher = [[WHNS]]-TV |location = Greenville, SC |archive-date = February 24, 2014 |archive-url = https://web.archive.org/web/20140224121743/http://www.foxcarolina.com/story/16660599/tdot-i-40-should-reopen-by-monday-after-rockslide |url-status = dead }}</ref><ref>{{cite news |url = http://www.wral.com/news/news_briefs/story/10685644/ |title = Rock Slide Occurs on Closed Section of I-40 |access-date = February 4, 2012 |last = Burns |first = Matthew |date = February 3, 2012 |publisher = WRAL-TV |location = Raleigh, NC |archive-date = February 5, 2012 |archive-url = https://web.archive.org/web/20120205094830/http://www.wral.com/news/news_briefs/story/10685644/ |url-status = live }}</ref><ref>{{cite press release |url = https://apps.dot.state.nc.us/pio/releases/details.aspx?r=5996 |archive-url = https://archive.today/20121224124107/https://apps.dot.state.nc.us/pio/releases/details.aspx?r=5996 |url-status = dead |archive-date = December 24, 2012 |title = Crews Make Progress Cleaning Up Rockslide on I-40 West in North Carolina |access-date = February 4, 2012 |author = Staff |date = February 4, 2012 |publisher = North Carolina Department of Transportation }}</ref>

====Greensboro relocation====
{{See also|Greensboro Urban Loop}}
[[File:Greensboro road signs.jpg|thumb|The six routes of Death Valley in 2006. US&nbsp;220 and US&nbsp;421 were rerouted in 2008 and 2009, respectively.]]
In February 2008, I-40 was relocated onto the southern section Greensboro Urban Loop, marking the first change to I-40 since it was rerouted onto the Winston-Salem Bypass in 1992. At a cost of $122&nbsp;million (equivalent to ${{formatprice|{{inflation|US-GDP|122000000|2008}}}} in {{inflation/year|US-GDP}}{{inflation/fn|US-GDP}}), the relocation to the Greensboro Urban Loop was constructed by Archer Western Contractors of Atlanta and took four years to complete. NCDOT Secretary Lyndo Tippett said that "the opening of the Greensboro Western Urban Loop is a major step in improving the mobility of the Triad region" and that "the highway will provide better access for motorists in and around Greensboro, as well as those traveling between the eastern and western areas of our state". The new routing was placed in concurrency with [[Interstate 73 in North Carolina|I-73]], while its original alignment became an extension of former [[Interstate 40 Business (Greensboro, North Carolina)|I-40 Bus.]]<ref>{{cite press release |url = https://apps.ncdot.gov/NewsReleases/details.aspx?r=1577 |title = NCDOT to open I-40/73 Greensboro Western Urban Loop Thursday |publisher = North Carolina Department of Transportation |location = Raleigh |date = February 19, 2008 |access-date = April 8, 2016 |archive-url = https://web.archive.org/web/20160419200450/https://apps.ncdot.gov/NewsReleases/details.aspx?r=1577 |archive-date = April 19, 2016 |url-status = dead }}</ref>

The glowing sentiment the NCDOT secretary gave on the new I-40 routing was unfortunately not reciprocated. NCDOT received many complaints by local residents and motorists on the confusion between "Blue" 40 and "Green" 40. Greensboro residents also had concerns with the resulting increased traffic and noise. On September 12, 2008, seven months after the initial switch and in agreement with Greensboro DOT and the FHWA, I-40 was rerouted to its original route through the city, I-40 Bus. was decommissioned, and I-73 and I-85 were left as the only Interstates signed along the loop. Exit numbers on the western segment of the loop were to be replaced with I-73 exit numbers; while exit numbers along I-40 Bus. would be changed over to I-40 exit numbers.<ref>{{ cite press release |url=https://apps.dot.state.nc.us/pio/releases/details.aspx?r=1854 |archive-url=https://archive.today/20121224201107/https://apps.dot.state.nc.us/pio/releases/details.aspx?r=1854 |url-status=dead |archive-date=December 24, 2012 |title=NCDOT will reroute I-40 from Greensboro Urban Loop to Original Location |publisher=North Carolina Department of Transportation |location=Raleigh |date=September 12, 2008 |access-date=April 8, 2016 }}</ref> At a cost around $300,000 (equivalent to ${{formatprice|{{inflation|US-GDP|300000|2009|r=-3}}}} in {{inflation/year|US-GDP}}{{inflation/fn|US-GDP}}), all signage was replaced by July 1, 2009.<ref>{{cite news |author =  |url = http://www.wral.com/traffic/story/3550101/ |title = DOT to spend at least $300K to reroute I-40 in Greensboro |access-date = April 8, 2016 |date = September 15, 2008 |publisher = WRAL-TV |location = Raleigh, NC |archive-date = April 24, 2016 |archive-url = https://web.archive.org/web/20160424012718/http://www.wral.com/traffic/story/3550101/ |url-status = live }}</ref><ref>{{cite news |url = http://www.news14.com/content/local_news/triad/609062/signing-changes-coming-to-interstate-40/Default.aspx |location = Raleigh, NC |publisher = News 14 Carolina |title = Signing Changes Coming to I-40 |date = May 11, 2009 }}{{dead link|date=June 2016|bot=medic}}{{cbignore|bot=medic}}</ref> In November 2009, US&nbsp;421 was rerouted onto the Urban Loop, replacing most of I-40's brief alignment around Greensboro.<ref>{{AASHTO minutes |year=2009A |page=3 |access-date=April 8, 2016}}</ref><ref>{{cite web |publisher = North Carolina Department of Transportation |url = https://connect.ncdot.gov/resources/safety/Route%20Changes/2009_11_23c.pdf |title = Route Change (2009-11-23) |date = November 23, 2009 |access-date = April 8, 2016 |archive-date = October 7, 2016 |archive-url = https://web.archive.org/web/20161007144245/https://connect.ncdot.gov/resources/safety/Route%20Changes/2009_11_23c.pdf |url-status = live }}</ref>

The current alignment of I-40 is {{convert|4|mi|km|spell=in}} shorter than the 2008 Urban Loop routing and is the quicker route for any vehicle consistently traveling at the posted speed limits.<ref name="studyws"/>

====Statesville interchange rebuild====
In [[Statesville, North Carolina|Statesville]], the I-40/I-77 interchange (exit&nbsp;152), originally built as a cloverleaf in the late 1960s, was upgraded to increase capacity and improve safety. The initial estimated cost for the entire project is $251&nbsp;million (equivalent to ${{Formatprice|{{Inflation|US-GDP|251000000|2012}}}} in {{Inflation/year|index=US-GDP}}{{Inflation/fn|index=US-GDP}}) with construction started in March 2012.<ref>{{cite web |url = http://www.ncdot.gov/projects/search/details.html#id=1111 |title = NCDOT: Project I-3819 |access-date = November 1, 2011 |url-status = dead |archive-url = https://web.archive.org/web/20111029193045/http://www.ncdot.gov/projects/search/details.html |archive-date = October 29, 2011 }}</ref><ref>{{cite news |url = http://www.wsoctv.com/news/28420901/detail.html |title = DOT Report: Interchange At I-40, I-77 To Cost $250M |location = Charlotte, NC |publisher = [[WSOC-TV]] |access-date = November 1, 2011 |url-status = dead |archive-url = https://web.archive.org/web/20110703215053/http://www.wsoctv.com/news/28420901/detail.html |archive-date = July 3, 2011 }}</ref> The first phase, completed in mid-2019, involved the widening of I-40 from four to six lanes. The second phase, begun in 2020, involves a similar widening of I-77 and the reconstruction of the interchange into a partial [[turbine interchange]]. The original completion date was supposed to be late 2022. The completion date was rescheduled to late 2023.<ref>{{Cite web |title=NCDOT: I-40/77 Interchange Improvements |url=https://www.ncdot.gov/projects/i40-i77-interchange/Pages/default.aspx |access-date=2024-04-06 |website=NCDOT |language=en-US}}</ref> The $260-million project, including widening of a total of {{Convert|7.5|mi|km}} of both highways to eight lanes, was essentially completed December 22, 2023, with all lanes opened, though cold weather will require waiting on further resurfacing and pavement markings until early 2024.<ref>{{cite web|url=https://www.charlotteobserver.com/news/article283427228.html|title=All lanes of the I-77 'whirlpool' in Statesville open just in time for holiday travel|last=Marusak|first=Joe|access-date=December 23, 2023|work=[[The Charlotte Observer]]|date=December 22, 2023|archive-date=December 24, 2023|archive-url=https://web.archive.org/web/20231224090753/https://www.charlotteobserver.com/news/article283427228.html|url-status=live}}</ref>

====Fortify project====
Begun in 2013, an extensive project known as "Fortify" (a play on the route number "40") overhauled I-40 along the southern edge of Raleigh, from the I-40/US&nbsp;1/US&nbsp;64 interchange (exit&nbsp;293) near [[Crossroads Plaza (North Carolina)|Crossroads Plaza]] in Cary through the I-40/I-440 split (exit&nbsp;301) in Southeast Raleigh, including the easternmost {{convert|2|mi|km|spell=in}} of I-440 as well. The project necessitated a complete teardown and rebuild of the roadway, widening of the roadway, rehabilitation and widening of bridges and overpasses along the entire route, and extension and widening of several highly congested exit and entrance ramps.<ref name="Fortify">{{cite web |title = Project Fortify |url = https://www.ncdot.gov/fortifync/about/ |website = ncdot.com |publisher = North Carolina Department of Transportation |access-date = September 9, 2016 |archive-url = https://web.archive.org/web/20160814225707/https://www.ncdot.gov/fortifync/about/ |archive-date = August 14, 2016 |url-status = dead }}</ref>

The project was divided into two phases, the first (completed in mid-2015) was a rebuilding and repaving of I-40 and I-440 from I-40 exit&nbsp;301 to I-440 exit&nbsp;14. The second phase, completed in late 2018, was the more extensive rebuild of I-40 from exit&nbsp;293 to exit&nbsp;301.<ref name="Fortify"/>

====Southeast Raleigh–Clayton widening====
Begun in late 2018 after the completion of the Fortify project to widen I-40 through South Raleigh, the section of I-40 between the I-40/I-440 split (exit&nbsp;301) and [[North Carolina Highway 42|NC&nbsp;42]] (exit&nbsp;312) is being widened. As part of the widening project, many of the overpasses along the route are being reconstructed, both to accommodate the wider road underneath and to expand capacity of the roads passing overhead. An onramp was removed at exit&nbsp;306 ([[U.S. Route 70 in North Carolina|US&nbsp;70]]) in November 2019 in order to accommodate the wider roadway. Traffic that normally used a free-flowing loop ramp is now routed through a left-turn traffic light to access the other onramp. Exit&nbsp;312 (NC&nbsp;42) is being rebuilt entirely as a [[diverging diamond interchange]], and an additional ramp is being built at that exit to provide access to Cleveland Road. Additionally, the interchange at exit&nbsp;309 for US&nbsp;70 (Clayton Bypass) is being expanded to also including the future NC&nbsp;540/Triangle Expressway. In December 2020, a new overhead flyover ramp between I-440 east and I-40 east was opened, replacing the older ramp to allow for the wider freeway underneath.<ref>{{cite web |title = Beltline Flyover to I-40 East to Close This Weekend |url = https://www.ncdot.gov/news/press-releases/Pages/2020/2020-12-09-shift-new-flyover-i-440-east-i-40-east.aspx |publisher = North Carolina Department of Transportation |access-date = December 17, 2020 |date = December 9, 2020 |archive-date = December 10, 2020 |archive-url = https://web.archive.org/web/20201210002815/https://www.ncdot.gov/news/press-releases/Pages/2020/2020-12-09-shift-new-flyover-i-440-east-i-40-east.aspx |url-status = live }}</ref> The project was expected to be completed to exit&nbsp;309 by 2023 while the I-40/NC&nbsp;42 interchange rebuild expected to be completed by 2024.<ref>{{cite web |title = I-40 Widening - Southeast Raleigh to Clayton |url = https://www.ncdot.gov/projects/i40-nc42/Pages/default.aspx |website = NCDOT.com |publisher = North Carolina Department of Transportation |accessdate = February 28, 2022 |archive-date = March 19, 2022 |archive-url = https://web.archive.org/web/20220319040651/https://www.ncdot.gov/projects/i40-nc42/Pages/default.aspx |url-status = live }}</ref> The new lanes between the Raleigh Beltline and the Clayton Bypass were opened to traffic in April 2023.<ref>{{cite news |title=Years-long effort to widen I-40 south of Raleigh reached a milestone this week |url=https://www.aol.com/news/years-long-effort-widen-40-135500369.html |access-date=April 27, 2023 |work=www.aol.com |date=April 26, 2023 |archive-date=April 27, 2023 |archive-url=https://web.archive.org/web/20230427170301/https://www.aol.com/news/years-long-effort-widen-40-135500369.html |url-status=live }}</ref>

==Future==
Part of the Asheville I-26 Connector project in [[Asheville, North Carolina|Asheville]] involves improvements to I-40 from east of the bridge over the [[French Broad River]] to just west of the US 23/US 19/US 74A interchange. The improvements will widen the freeway, improve the interchanges with US 23/US 19/US 74A, I-240/I-26/US 74, and NC 191, and reconstruct bridges. Part of the project has started, but more funding will be needed to complete it.<ref name=I26conn>{{cite web |url= http://www.ncdot.gov/projects/i26connector/ |title= I-26 Connector, Asheville, NC |work= Project Details |publisher= North Carolina Department of Transportation |access-date=December 14, 2013}}</ref> Further widening of the interstate west of that area to NC 215 is also planned, but not funded.<ref name=2024-STIP>{{cite web |url=https://connect.ncdot.gov/projects/planning/STIPDocuments1/NCDOT%20Current%20STIP.pdf |title=2024-2033 State Transportation Improvement Program (STIP) |publisher=North Carolina Department of Transportation |date=January 2024 |access-date=February 2, 2024 }}</ref>

Another widening project along I-40 is in development stage, between milemarkers&nbsp;259 and 279 in [[Orange County, North Carolina|Orange]] and [[Durham County, North Carolina|Durham]] counties. After some initial delays due to noise concerns through populated areas and two public comment meetings, the project is currently in the [[Right-of-way (property access)|right-of-way]] acquisition phase, and construction was scheduled to begin around 2022; NCDOT, however, has suspended engineering activities for the project.<ref>{{cite web |title = I-3306A: I-40 Widening - Orange County |url = https://publicinput.com/I-40-Orange-County |publisher = North Carolina Department of Transportation |access-date = December 17, 2020 |archive-date = August 4, 2020 |archive-url = https://web.archive.org/web/20200804074110/https://publicinput.com/I-40-Orange-County |url-status = live }}</ref><ref>{{Cite web |title=I-3306A: I-40 Widening - Orange County - PublicInput |url=https://publicinput.com/I-40-Orange-County |access-date=2024-04-17 |website=publicinput.com |language=en}}</ref>

Another widening project along I-40 is also in the development stage between the [[Interstate 440 (North Carolina)|I-440]]/US&nbsp;1/[[U.S. Route 64 in North Carolina|US&nbsp;64]] interchange (exit&nbsp;293) and the Lake Wheeler Road interchange (exit&nbsp;297). The project, which will add one or two lanes to this portion of the Interstate, will also include a redesign of the former interchange. Construction is expected to begin in 2025 at a cost of $68.8&nbsp;million.<ref>{{cite news |last1=Shrader |first1=Brian |title=NCDOT plans to redesign 440 interchange, widen I-40 in Raleigh in 2025 |url=https://www.wral.com/story/ncdot-plans-to-redesign-440-interchange-widen-i-40-raleigh-2025/20766973/ |access-date=May 13, 2023 |work=WRAL.com |date=March 16, 2023 |language=en |archive-date=May 13, 2023 |archive-url=https://web.archive.org/web/20230513225643/https://www.wral.com/story/ncdot-plans-to-redesign-440-interchange-widen-i-40-raleigh-2025/20766973/ |url-status=live }}</ref>

==Exit list==
{{jcttop|exit|length_ref=}}
{{NCint|exit
|county=Haywood
|cspan=8
|location=none
|mile=0.0
|road={{Jct|state=TN|I|40|dir1=West|city1=Knoxville}}
|notes=Continuation into Tennessee}}
{{NCint|exit
|location=none
|mile=6.7
|exit=7
|road=Cold Springs Creek Road&nbsp;– Harmon Den}}
{{NCint|exit
|location=none
|mile=14.8
|exit=15
|road=Fines Creek Road}}
{{NCint|exit
|location=Cove Creek
|mile=20.5
|exit=20
|notes=Northern terminus of US&nbsp;276
|road={{jct|state=NC|US|276|dir1=south|city1=Waynesville|city2=Maggie Valley}}}}
{{NCint|exit 
|location=none
|mile=24.2
|exit=24
|road={{jct|state=NC|NC|209|city1=Lake Junaluska|city2=Hot Springs}}}}
{{NCint|exit
|location=none
|type=concur
|mile=27.3
|exit=27
|road={{jct|state=NC|US|19|US|23|US|74|dir3=west|city1=Clyde|city2=Waynesville}}
|notes=West end of US&nbsp;74 overlap}}
{{NCint|exit
|location=Canton
|lspan=2
|mile=31.2
|exit=31
|road={{jct|state=NC|NC|215|city1=Canton}}}}
{{NCint|exit
|mile=33.2
|exit=33
|road=Newfound Road&nbsp;– [[Canton, North Carolina|Canton]]}}
{{NCint|exit
|county=Buncombe
|cspan=14
|location=none
|mile=37.4
|exit=37
|road=Wiggins Road&nbsp;– [[Candler, North Carolina|Candler]], [[Canton, North Carolina|East Canton]]}}
{{NCint|exit
|location=Asheville
|lspan=9
|mile=44.3
|exit=44
|road={{jct|state=NC|US|19|US|23|US|74A|dir3=east|city1=West Asheville|city2=Enka|city3=Candler}}}}
{{NCint|exit
|type=concur
|mile=45.9
|mspan=2
|exit=46A
|road={{jct|state=NC|I|26|US|74|dir2=east|city1=Hendersonville|location2=[[Spartanburg, South Carolina|Spartanburg]]}}
|notes=East end of US&nbsp;74 overlap; no eastbound entrance; westbound left exit}}
{{NCint|exit
|type=incomplete
|mile=none
|exit=46B
|road={{jct|state=NC|Future|26|I|240|dir1=west|dir2=east|city1=Asheville|location2=[[Johnson City, Tennessee|Johnson City]]}}
|notes=No westbound exit; eastbound left exit}}
{{NCint|exit
|mile=46.7
|exit=47
|road={{jct|state=NC|NC|191|city1=West Asheville}}
|notes=To Farmers Market}}
{{NCint|exit
|mile=50.2
|exit=50
|road={{jct|state=NC|US|25|city1=South Asheville|city2=Biltmore House}}
|notes=Signed as exits 50A (south) and 50B (north) westbound}}
{{NCint|exit
|mile=51.3
|exit=51
|road={{jct|state=NC|US|25A|city1=Asheville}}}}
{{NCint|exit
|mile=52.8
|mspan=2
|exit=53A
|road={{jct|state=NC|US|74A|dir1=east|BRP|city1=Bat Cave}}
|notes=}}
{{NCint|exit
|mile=none
|exit=53B
|road={{jct|state=NC|I|240|US|74A|dir2=west|city1=East Asheville}}
|notes=}}
{{NCint|exit
|mile=55.1
|exit=55
|road={{jct|state=NC|to1=To|US|70|city1=East Asheville}}
|notes=To VA Hospital}}
{{NCint|exit
|location=none
|mile=58.8
|exit=59
|road=Patton Cove Road&nbsp;– [[Swannanoa, North Carolina|Swannanoa]]}}
{{NCint|exit
|location=Black Mountain
|lspan=2
|mile=63.8
|exit=64
|road={{jct|state=NC|NC|9|city1=Black Mountain|city2=Montreat}}}}
{{NCint|exit
|type=concur
|mile=64.8
|exit=65
|road={{jct|state=NC|US|70|dir1=west|city1=Black Mountain}}
|notes=West end of US&nbsp;70 overlap; westbound exit and eastbound entrance}}
{{NCint|exit
|location=none
|mile=65.7
|exit=66
|road=Dunsmore Avenue&nbsp;– [[Ridgecrest, North Carolina|Ridgecrest]]}}
{{NCint|exit
|county=McDowell
|cspan=8
|location=Old Fort
|lspan=3
|type=concur
|mile=71.4
|exit=72
|road={{jct|state=NC|US|70|dir1=east|city1=Old Fort}}
|notes=To [[Mount Mitchell]]; East end of US&nbsp;70 overlap; eastbound exit and westbound entrance}}
{{NCint|exit
|mile=72.4
|exit=73
|road=Catawaba Avenue&nbsp;– [[Old Fort, North Carolina|Old Fort]]}}
{{NCint|exit
|mile=74.8
|exit=75
|road=Parker Padgett Road}}
{{NCint|exit
|location=Marion
|lspan=4
|mile=81.2
|exit=81
|road=Sugar Hill Road&nbsp;– [[Marion, North Carolina|Marion]]}}
{{NCint|exit
|mile=83.4
|exit=83
|road=Ashworth Road}}
{{NCint|exit
|mile=84.6
|exit=85
|road={{jct|state=NC|US|221|city1=Marion|city2=Rutherfordton}}}}
{{NCint|exit
|mile=86.3
|exit=86
|road={{jct|state=NC|NC|226|city1=Marion|city2=Shelby}}}}
{{NCint|exit
|location=none
|mile=89.8
|exit=90
|road=Harmony Grove Road&nbsp;– [[Nebo, North Carolina|Nebo]], [[Lake James, North Carolina|Lake James]]}}
{{NCint|exit
|county=Burke
|cspan=15
|location=none
|mile=94.1
|exit=94
|road=Dysartsville Road}}
{{NCint|exit
|location=none
|mile=95.8
|exit=96
|road=Kathy Road}}
{{NCint|exit
|location=Glen Alpine
|lspan=2
|mile=97.5
|exit=98
|road=Causby Road&nbsp;– [[Glen Alpine, North Carolina|Glen Alpine]]}}
{{NCint|exit
|mile=99.5
|exit=100
|road=Jamestown Road / Dixie Boulevard&nbsp;– [[Glen Alpine, North Carolina|Glen Alpine]]}}
{{NCint|exit
|location=Morganton
|lspan=3
|mile=102.9
|exit=103
|road={{jct|state=NC|US|64|city1=Morganton|city2=Rutherfordton}}}}
{{NCint|exit
|mile=104.1
|exit=104
|road=Enola Road}}
{{NCint|exit
|mile=105.1
|exit=105
|road={{jct|state=NC|NC|18|city1=Morganton|city2=Shelby}}}}
{{NCint|exit
|location=none
|mile=106.2
|exit=106
|road=Bethel Road}}
{{NCint|exit
|location=none
|mile=107.4
|exit=107
|road={{jct|state=NC|NC|114|city1=Drexel}}}}
{{NCint|exit
|location=Valdese
|lspan=2
|mile=110.7
|exit=111
|road=Abees Grove Church Road / Milestone Avenue&nbsp;– [[Valdese, North Carolina|Valdese]]}}
{{NCint|exit
|mile=111.4
|exit=112
|road=Mineral Springs Mountain Road&nbsp;– [[Valdese, North Carolina|Valdese]]}}
{{NCint|exit
|location=Rutherford College
|mile=112.3
|exit=113
|road=Rutherford College Road / Malcom Boulevard&nbsp;– [[Connellys Springs, North Carolina|Connelly Springs]], [[Rutherford College, North Carolina|Rutherford College]]}}
{{NCint|exit
|location=Icard
|mile=116.2
|exit=116
|road=Old NC&nbsp;10&nbsp;– [[Icard, North Carolina|Icard]]}}
{{NCint|exit
|location=Hildebran
|lspan=2
|mile=117.9
|exit=118
|road=Old [[North Carolina Highway 10|NC&nbsp;10]]}}
{{NCint|exit
|mile=118.8
|exit=119
|road=Henry River Road / Center Street&nbsp;– [[Henry River, North Carolina|Henry River]], [[Hildebran, North Carolina|Hildebran]]
|notes=Signed as exits 119A (Henry River) and 119B (Hildebran) eastbound}}
{{NCint|exit
|county=Catawba
|cspan=12
|location=Long View
|mile=120.6
|exit=121
|road=33rd Street&nbsp;– [[Long View, North Carolina|Long View]]}}
{{NCint|exit
|location=Hickory
|lspan=4
|mile=122.8
|mspan=2
|exit=123A
|road={{Jct|state=NC|US|321|dir1=South|to2=To|NC|127|city1=Lincolnton|city2=Gastonia}}
|notes=[[Cloverleaf interchange]] with [[Local&ndash;express lanes|Collector/distributor]] roadways}}
{{NCint|exit
|mile=none
|exit=123B
|road={{jct|state=NC|US|321|dir1=North|to2=to|US|70|city1=Hickory|city2=Lenoir|city3=Boone}}
|notes=To [[Appalachian State University]] and [[Hickory Regional Airport]]}}
{{NCint|exit
|mile=125.1
|exit=125
|road=Lenoir Rhyne Boulevard&nbsp;– [[Hickory, North Carolina|Hickory]]
|notes=To [[Lenoir-Rhyne University]]}}
{{NCint|exit
|mile=126.2
|exit=126
|road={{jct|state=NC|to1=To|US|70|city1=Hickory|city2=Newton}}}}
{{NCint|exit
|location=Conover
|lspan=5
|mile=128.1
|exit=128
|road=Fairgrove Church Road
|notes=To [[Hickory Motor Speedway]]}}
{{NCint|exit
|mile=130.2
|exit=130
|road=Old US&nbsp;70}}
{{NCint|exit
|type=closed
|mile=131.1
|exit=131
|road={{jct|state=NC|NC|16}}
|notes=Permanently closed by 2008.}}
{{NCint|exit
|mile=131.6
|exit=132
|road={{jct|state=NC|NC|16|city1=Newton|city2=Conover|city3=Taylorsville}}}}
{{NCint|exit
|mile=132.6
|exit=133
|road=Rock Barn Road}}
{{NCint|exit
|location=Claremont
|mile=134.3
|exit=135
|road=Oxford Street&nbsp;– [[Claremont, North Carolina|Claremont]]}}
{{NCint|exit
|location=Catawba
|mile=138.1
|exit=138
|road={{jct|state=NC|NC|10|dir1=west|name1=Oxford School Road|city1=Catawba}}}}
{{NCint|exit
|county=Iredell
|cspan=10
|location=none
|mile=140.4
|exit=141
|road=Sharon School Road}}
{{NCint|exit
|location=none
|mile=144.0
|exit=144
|road=Old Mountain Road&nbsp;– West Iredell}}
{{NCint|exit
|location=none
|mile=145.4
|exit=146
|road=Stamey Farm Road}}
{{NCint|exit
|location=Statesville
|lspan=6
|mile=147.7
|exit=148
|road={{jct|state=NC|US|64|NC|90|city1=West Statesville|city2=Taylorsville}}}}
{{NCint|exit
|mile=149.5
|exit=150
|road={{jct|state=NC|NC|115|city1=Downtown Statesville|city2=North Wilkesboro}}}}
{{NCint|exit
|mile=151.2
|exit=151
|road={{jct|state=NC|US|21|city1=East Statesville|city2=Harmony}}}}
{{NCint|exit
|mile=152.0
|exit=152
|road={{jct|state=NC|I|77|city1=Charlotte|location2=[[Wytheville, Virginia|Wytheville]]}}
|notes=Signed as exits&nbsp;152A (south) and 152B (north); I-77 exit&nbsp;51}}
{{NCint|exit
|type=closed
|mile=152.9
|exit=153
|road={{jct|state=NC|US|64|city1=Statesville}}
|notes=Permanently closed as of October 1, 2012; was an eastbound exit and westbound entrance<ref>{{cite news |url = http://www.charlotteobserver.com/2012/09/24/3543946/i-40-exit-will-close-as-part-of.html |archive-url = https://archive.today/20130119024802/http://www.charlotteobserver.com/2012/09/24/3543946/i-40-exit-will-close-as-part-of.html |url-status = dead |archive-date = January 19, 2013 |title = I-40 Exit Will Close as Part of Interchange Improvements |access-date = October 1, 2012 |last = Vieser |first = Dave |date = September 24, 2012 |work = Charlotte Observer }}</ref><ref>{{cite news |url = http://www2.statesville.com/news/2012/sep/19/part-greenway-trail-close-until-2015-exit-153-elim-ar-2621798/ |archive-url = https://archive.today/20130203074718/http://www2.statesville.com/news/2012/sep/19/part-greenway-trail-close-until-2015-exit-153-elim-ar-2621798/ |url-status = dead |archive-date = February 3, 2013 |title = Part of Greenway Trail to Close until 2015; Exit 153 Eliminated |access-date = October 1, 2012 |last = Spencer |first = Preston |date = September 19, 2012 |work = [[Statesville Record & Landmark]] }}</ref>}}
{{NCint|exit
|mile=153.7
|exit=154
|road={{jct|state=NC|to2=To|US|64|name1=Old Mocksville Road}}}}
{{NCint|exit
|location=none
|mile=161.8
|exit=162
|road={{jct|state=NC|US|64}}}}
{{NCint|exit
|county=Davie
|cspan=4
|location=Mocksville
|lspan=2
|mile=167.8
|exit=168
|road={{jct|state=NC|US|64|city1=Mocksville}}}}
{{NCint|exit
|mile=169.5
|exit=170
|road={{jct|state=NC|US|601|city1=Mocksville|city2=Yadkinville}}}}
{{NCint|exit
|location=none
|mile=173.5
|exit=174
|road=Farmington Road}}
{{NCint|exit
|location=none
|mile=179.8
|exit=180
|road={{jct|state=NC|NC|801|city1=Bermuda Run}}, [[Tanglewood Park|Tanglewood]]
|notes=Signed as exits 180A (south) and 180B (north) Westbound}}
{{NCint|exit
|county=Forsyth
|cspan=14
|location=Clemmons
|lspan=2
|mile=182.1
|exit=182
|road=Harper Road&nbsp;– [[Tanglewood Park|Tanglewood]], [[Bermuda Run, North Carolina|Bermuda Run]]}}
{{NCint|exit
|mile=183.5
|exit=184
|road=Lewisville–Clemmons Road&nbsp;– [[Lewisville, North Carolina|Lewisville]], [[Clemmons, North Carolina|Clemmons]]}}
{{NCint|exit
|location=Winston-Salem
|lspan=9
|type=incomplete
|mile=187.7
|exit=188
|road={{jct|state=NC|US|421|name1=[[Salem Parkway (North Carolina)|Salem Parkway]]|city1=Downtown Winston-Salem|city2=Yadkinville}}
|notes=No access from US&nbsp;421 south to I-40 west}}
{{NCint|exit
|mile=188.6
|exit=189
|road={{jct|state=NC|US|158|name1=Stratford Road}}}}
{{NCint|exit
|type=incomplete
|mile=189.3
|exit=190
|road=Hanes Mall Boulevard
|notes=Westbound exit and eastbound entrance}}
{{NCint|exit
|mile=191.3
|exit=192
|road={{jct|state=NC|NC|150|name1=Peters Creek Parkway|city1=Downtown Winston-Salem}}}}
{{NCint|exit
|type=incomplete
|mile=192.5
|exit=193C
|road=[[Silas Creek Parkway]], South Main Street
|notes=Westbound exit and eastbound entrance}}
{{NCint|exit
|mile=193.2
|mspan=2
|exit=193A
|road={{Jct|state=NC|I|285|US|52|NC|8|dir3=South|city1=Lexington}}
|notes=}}
{{NCint|exit
|mile=none
|exit=193B
|road={{Jct|state=NC|US|52|NC|8|dir2=north|city1=Mount Airy}}
|notes=}}
{{NCint|exit
|mile=194.3
|exit=195
|road={{jct|state=NC|NC|109|road|Clemmonsville Road|city1=Thomasville}}}}
{{NCint|exit
|mile=195.9
|exit=196
|road={{Jct|state=NC|I|74|dir1=east|city1=High Point}}
|notes=[[North Carolina Highway 192|Future NC 192]]; I-74 will be rerouted onto a new alignment once construction is complete}}
{{NCint|exit
|location=none
|type=unbuilt
|mile=
|exit=198
|road={{Jct|state=NC|I|74|name1=[[Winston-Salem Beltway]]}}
|notes=Future interchange (Construction to start in Spring 2022 with a completion date of November 2026)<ref>{{cite web |publisher = North Carolina Department of Transportation |url = https://connect.ncdot.gov/projects/planning/STIResults/H129625-AB.pdf |title = SPOT ID: H129625-AB |date = May 30, 2014 |access-date = August 31, 2014 |archive-date = September 3, 2014 |archive-url = https://web.archive.org/web/20140903133228/https://connect.ncdot.gov/projects/planning/STIResults/H129625-AB.pdf |url-status = live }}</ref><ref>{{cite map |publisher = North Carolina Department of Transportation |url = https://connect.ncdot.gov/resources/safety/Route%20Changes/U-2579%20Project%20Breakdown%20131126.pdf |format = PDF |title = U-2579 Project Breakdown |date = November 26, 2013 |access-date = August 31, 2014 |archive-date = July 30, 2014 |archive-url = https://web.archive.org/web/20140730060021/https://connect.ncdot.gov/resources/safety/Route%20Changes/U-2579%20Project%20Breakdown%20131126.pdf |url-status = live }}</ref>}}
{{NCint|exit
|location=Kernersville
|lspan=2
|mile=200.7
|exit=201
|road=Union Cross Road
|notes=[[Diverging diamond interchange]]}}
{{NCint|exit
|mile=203.5
|exit=203
|road={{jct|state=NC|NC|66|city1=Kernersville|city2=High Point|road|Regional Road}}}}
{{NCint|exit
|county=Guilford
|cspan=19
|location=Colfax
|type=concur
|mile=206.4
|exit=206
|road={{jct|state=NC|US|421|name1=[[Salem Parkway (North Carolina)|Salem Parkway]]|dir1=north|city1=Downtown Winston-Salem|city2=Kernersville}}
|notes=North end of US&nbsp;421 overlap; westbound exit and eastbound entrance}}
{{NCint|exit
|location=Greensboro
|lspan=18
|mile=207.4
|exit=208
|road=Sandy Ridge Road}}
{{NCint|exit
|mile=209.7
|exit=210
|road={{jct|state=NC|NC|68|city1=High Point|location2=[[Piedmont Triad International Airport]]}}}}
{{NCint|exit
|mile=210.7
|exit=211
|road=Gallimore Dairy Road
|notes=[[Single-point urban interchange|SP Diamond Interchange]]}}
{{NCint|exit
|type=concur
|mile=212.1
|mspan=2
|exit=212A
|road={{jct|state=NC|I|73|US|421|I|85|dir2=south|to3=to|city1=Asheboro}}
|notes=Eastbound left exit; south end of US&nbsp;421 overlap; I-85 signed eastbound}}
{{NCint|exit
|mile=none
|exit=212B
|road={{jct|state=NC|I|73|I|840|dir1=north|dir2=east|location1=[[Piedmont Triad International Airport|PTI-GSO Airport]]|location2=[[Martinsville, Virginia|Martinsville]]}}
|notes=}}
{{NCint|exit
|mile=213.0
|exit=213
|road=Guilford College Road}}
{{NCint|exit
|mile=213.8
|exit=214
|road={{jct|state=NC|US|70|name1=Wendover Avenue}}
|notes=Signed as exits 214A (west) and 214B (east) eastbound}}
{{NCint|exit
|type=incomplete
|mile=215.3
|exit=216
|road=Patterson Street
|notes=Eastbound exit and westbound entrance}}
{{NCint|exit
|mile=216.8
|exit=217
|road=Gate City Boulevard, Koury Boulevard}}
{{NCint|exit
|type=concur
|mile=218.2
|exit=218
|road={{jct|state=NC|US|220|dir1=south|city1=Asheboro|road|Freeman Mill Road}}
|notes=West end of US&nbsp;220 overlap; signed as exits 218A (US&nbsp;220) and 218B (Freeman Mill Road)}}
{{NCint|exit
|type=concur
|mile=219.0
|exit=219
|road={{jct|state=NC|US|29|dir1=south|city1=Charlotte}}
|notes=South end of US&nbsp;29 overlap}}
{{NCint|exit
|mile=219.3
|exit=220
|road=Randleman Road}}
{{NCint|exit
|mile=219.9
|exit=221
|road=South Elm-Eugene Street&nbsp;– [[Greensboro, North Carolina|Downtown Greensboro]]}}
{{NCint|exit
|mile=221.0
|exit=222
|road=Martin Luther King Jr. Drive}}
{{NCint|exit
|type=concur
|mile=221.1
|exit=223
|road={{jct|state=NC|US|29|dir1=north|US|220|dir2=north|city1=Reidsville}}
|notes=North end of US&nbsp;29/US&nbsp;220 overlap; northbound exit and southbound entrance}}
{{NCint|exit
|type=
|mile=223.3
|exit=224
|road=Gate City Boulevard, Lee Street
|notes=To [[Bennett College]], [[University of North Carolina at Greensboro|UNC&nbsp;Greensboro]], [[North Carolina Agricultural and Technical State University|A&T University]] and [[Greensboro College]]}}
{{NCint|exit
|mile=225.7
|exit=226
|road=McConnell Road}}
{{NCint|exit
|type=concur
|mile=226.5
|exit=227
|road={{jct|state=NC|I|85|I|785|I|840|dir1=south|dir2=north|dir3=west|location1=[[Danville, Virginia|Danville]]|city2=Charlotte}}
|notes=South end of I-85 overlap}}
{{jctgap|text=I-40 overlaps with [[Interstate 85 in North Carolina#Exit list|Interstate 85]] (exits 131 to 163)}}
{{NCint|exit
|county=Orange
|cspan=4
|location=Hillsborough
|lspan=4
|type=concur
|mile=258.3
|exit=259
|road={{jct|state=NC|I|85|dir1=north|city1=Durham}}
|notes=North end of I-85 overlap}}
{{NCint|exit
|mile=260.8
|exit=261
|road=Old [[North Carolina Highway 86|NC Highway 86]]&nbsp;– [[Hillsborough, North Carolina|Hillsborough]]}}
{{NCint|exit
|mile=262.9
|exit=263
|road=New Hope Church Road}}
{{NCint|exit
|mile=265.8
|exit=266
|road={{jct|state=NC|NC|86|city1=Chapel Hill|city2=Hillsborough}}}}
{{NCint|exit
|county=Durham
|cspan=11
|location=Chapel Hill
|lspan=2
|mile=269.9
|exit=270
|road={{Jct|state=NC|US|15|US|501|city1=Chapel Hill|city2=Durham}}
|notes=}}
{{NCint|exit
|mile=272.7
|exit=273
|road={{jct|state=NC|NC|54|city1=Chapel Hill|city2=Durham}}
|notes=Signed as exits 273A (west) and 273B (east) westbound}}
{{NCint|exit
|location=Durham
|lspan=3
|mile=274.2
|exit=274
|road={{jct|state=NC|NC|751|city1=Jordan Lake}}}}
{{NCint|exit
|mile=275.6
|exit=276
|road=Fayetteville Road &nbsp;– [[The Streets at Southpoint|Southpoint]], [[North Carolina Central University]]
|notes=[[Single-point urban interchange|SP Diamond Interchange]]}}
{{NCint|exit
|mile=277.8
|exit=278
|road={{jct|state=NC|NC|55|to2=to|NC|54|city1=Apex}}}}
{{Jctint|exit
|type=toll
|location_special=[[Research Triangle Park]]
|lspan=3
|mile=279.1
|mspan=2
|exit=279A
|road={{Jct|state=NC|NC-Toll|885|dir1=South|name1=[[Triangle Expressway]]|city1=Morrisville}}
|notes=}}
{{NCint|exit
|mile=none
|exit=279B
|road={{jct|state=NC|I|885|to2=To|NC|147|dir1=North|name1=Durham Freeway|location1=[[Durham, North Carolina|Downtown Durham]]}}
|notes=}}
{{NCint|exit
|mile=280.1
|exit=280
|road=Davis Drive}}
{{NCint|exit
|location=Durham
|lspan=3
|mile=280.8
|exit=281
|road=Miami Boulevard}}
{{NCint|exit
|mile=281.4
|exit=282
|road=Page Road}}
{{NCint|exit
|mile=282.3
|exit=283
|road={{jct|state=NC|I|540|NC|540|NC-Toll|540|US|1|dir1=east|dir2=west|to3=to|dir4=south|location1=[[Raleigh, North Carolina|North Raleigh]]}}
|notes=Signed westbound as exits 283A (East I-540) and 283B (West NC&nbsp;540)}}
{{NCint|exit
|county=Wake
|cspan=18
|location=Morrisville
|mile=283.5
|exit=284
|road=Airport Boulevard&nbsp;– [[Raleigh&ndash;Durham International Airport|RDU International Airport]]
|notes=Signed eastbound as exits 284A (west) and 284B (east); under conversion into [[Diverging diamond interchange]].<ref name="DDI">{{cite news |title='Diverging diamond' coming to I-40 interchange south of Raleigh. What drivers should know |url=https://www.newsobserver.com/news/traffic/article277259168.html |access-date=July 14, 2023 |work=The News&Observer |date=July 14, 2023 |archive-date=December 24, 2023 |archive-url=https://web.archive.org/web/20231224090750/https://www.newsobserver.com/news/traffic/article277259168.html |url-status=live }}</ref><ref>{{Cite web |url = https://abc11.com/traffic/diamond-traffic-pattern-coming-to-i-40-airport-blvd-exit/5713705/ |title = 'Diamond' traffic pattern coming to I-40 Airport BLVD exit |date = November 22, 2019 |access-date = November 23, 2019 |archive-date = November 23, 2019 |archive-url = https://web.archive.org/web/20191123140755/https://abc11.com/traffic/diamond-traffic-pattern-coming-to-i-40-airport-blvd-exit/5713705/ |url-status = live }}</ref>}}
{{NCint|exit
|location=Cary
|lspan=2
|mile=284.7
|exit=285
|road=Aviation Parkway &nbsp;– [[Morrisville, North Carolina|Morrisville]], [[Raleigh&ndash;Durham International Airport|RDU International Airport]]
|notes=Signed westbound as exits 285A (south) and 285B (north)}}
{{NCint|exit
|mile=287.0
|exit=287
|road=Harrison Avenue&nbsp;– [[Cary, North Carolina|Cary]]}}
{{NCint|exit
|location=Raleigh
|lspan=11
|mile=288.6
|exit=289
|road={{jct|state=NC|to1=To|I|440|US|1|dir2=north|road|[[Wade Avenue]]|city1=Downtown Raleigh}}
|notes=To [[PNC Arena]], [[Carter–Finley Stadium]], [[North Carolina State Fair|State Fairgrounds]], [[North Carolina State University|NCSU Veterinary College]], and [[North Carolina Museum of Art|NC Museum of Art]]}}
{{NCint|exit
|mile=290.5
|exit=290
|road={{jct|state=NC|NC|54|city1=Cary}}}}
{{NCint|exit
|mile=291.4
|exit=291
|road=Cary Towne Boulevard&nbsp;– [[Cary, North Carolina|Cary]]}}
{{NCint|exit
|type=concur
|mile=292.6
|mspan=2
|exit=293A
|road={{Jct|state=NC|US|1|dir1=south|US|64|dir2=west|city1=Cary|city2=Asheboro}}
|notes=West end of US&nbsp;64 overlap}}
{{NCint|exit
|mile=none
|exit=293B
|road={{Jct|state=NC|I|440|dir1=east|US|1|dir2=north|city1=Raleigh|city2=Wake Forest}}
|notes=[[Cloverleaf interchange]] with [[Local&ndash;express lanes|Collector/distributor]] roadways}}
{{NCint|exit
|mile=295.0
|exit=295
|road=Gorman Street}}
{{NCint|exit
|mile=297.1
|exit=297
|road=Lake Wheeler Road}}
{{NCint|exit
|mile=298.0
|exit=298
|road={{Jct|state=NC|US|70|US|401|NC|50|name3=S. Saunders Street|location1=[[Raleigh, North Carolina|Raleigh Downtown]]|city2=Garner}}
|notes=Signed as exits 298A (east/south) and 298B (west/north), to be converted into a [[Diverging diamond interchange]]}}
{{NCint|exit
|mile=298.8
|exit=299
|road=Person Street, Hammond Road}}
{{NCint|exit
|mile=300.3
|exit=300
|road=Rock Quarry Road
|notes=Signed as exits 300A (south) and 300B (north) westbound}}
{{NCint|exit
|type=concur
|mile=301.1
|exit=301
|road={{jct|state=NC|I|87|dir1=north|I|440|dir2=west|US|64|dir3=east|city1=Rocky Mount}}
|notes=East end of US&nbsp;64 overlap; Eastbound exit is a left exit}}
{{NCint|exit
|location=none
|mile=303.5
|exit=303
|road=Jones Sausage Road
|notes=[[Diverging diamond interchange]]<ref>{{cite web |url=https://www.newsobserver.com/news/traffic/article277259168.html |title='Diverging diamond' coming to I-40 interchange south of Raleigh. What drivers should know |last=Stradling |first=Richard |date=July 14, 2023 |website=The News & Observer |access-date=August 17, 2023 |archive-date=December 24, 2023 |archive-url=https://web.archive.org/web/20231224090750/https://www.newsobserver.com/news/traffic/article277259168.html |url-status=live }}</ref>}}
{{NCint|exit
|location=Garner
|lspan=3
|type=concur
|mile=305.6
|exit=306
|road={{jct|state=NC|US|70|US-Bus|70|dir1=west|dir2=east|dab2=Clayton–Smithfield|city1=Garner|city2=Clayton}}
|notes=West end of US&nbsp;70 overlap; signed as exits 306A (west) and 306B (east) westbound}}
{{NCint|exit
|type=concur
|mile=309.6
|exit=309
|road={{jct|state=NC|US|70|dir1=east|city1=Smithfield|city2=Goldsboro}}
|notes=East end of US&nbsp;70 overlap}}
{{NCint|exit
|type=unbuilt
|mile=
|exit=310
|road={{jct|state=NC|NC-Toll|540|name1=[[Triangle Expressway]]}}
|notes=Future interchange (under construction)<ref>{{Cite web |url = https://www.ncdot.gov/projects/complete-540/Pages/default.aspx |title = NCDOT: Complete 540 |access-date = September 14, 2020 |archive-date = September 22, 2020 |archive-url = https://web.archive.org/web/20200922115020/https://www.ncdot.gov/projects/complete-540/Pages/default.aspx |url-status = live }}</ref>
}}
{{NCint|exit
|county=Johnston
|cspan=6
|location=none
|mile=311.8
|exit=312A
|road={{jct|state=NC|NC|42|city1=Clayton|city2=Fuquay-Varina}}
|notes=To be converted into [[Diverging diamond interchange]] as part of the widening<ref name="DDI" /><ref>{{cite web |url=https://www.newsobserver.com/news/local/article220732030.html |title=With lane shifts, work to widen I-40 southeast of Raleigh gets underway |last=Stradling |first=Richard |date=October 29, 2018 |website=The News & Observer |access-date=March 24, 2023 |archive-date=October 27, 2020 |archive-url=https://web.archive.org/web/20201027232236/https://www.newsobserver.com/news/local/article220732030.html |url-status=live }}</ref>
}}
{{NCint|exit
|type=unbuilt
|location=none
|mile=312.4
|exit=312B
|road=Cleveland Road
|notes=Future interchange (under construction)<ref>{{Cite web |url = https://www.ncdot.gov/projects/i40-nc42/Pages/default.aspx |title = NCDOT: I-40 Widening - Southeast Raleigh to Clayton |access-date = November 14, 2019 |archive-date = September 25, 2019 |archive-url = https://web.archive.org/web/20190925051801/https://www.ncdot.gov/projects/i40-nc42/Pages/default.aspx |url-status = live }}</ref><ref>{{cite news |last= Stradling |first= Richard |url= https://www.newsobserver.com/news/local/counties/johnston-county/article287831030.html |title= Get a sneak peak at new I-40 exit and entrance ramps in Johnston County this weekend |date= April 19, 2024 |work= The News & Observer |access-date= April 20, 2024 }}</ref>
}}
{{NCint|exit
|location=McGee's Crossroads
|mile=318.6
|exit=319
|road={{jct|state=NC|NC|210|city1=Smithfield|city2=Angier}}}}
{{NCint|exit
|location=Benson
|lspan=2
|mile=325.4
|exit=325
|road={{jct|state=NC|NC|242|dir1=South|US|301|to2=to|city1=Benson}}}}
{{NCint|exit
|mile=327.8
|exit=328
|road={{Jct|state=NC|I|95|city1=Benson|city2=Fayetteville|city3=Rocky Mount|city4=Smithfield}}
|notes=Signed as exits 328A (south) and 328B (north); I-95 exit 81}}
{{NCint|exit
|location=none
|mile=333.6
|exit=334
|road={{jct|state=NC|NC|96|city1=Meadow}}}}
{{NCint|exit
|county=Sampson
|cspan=4
|location=Newton Grove
|lspan=2
|mile=341.0
|exit=341
|road={{jct|state=NC|NC|50|NC|55|US|13|to3=to|city1=Newton Grove}}}}
{{NCint|exit
|mile=343.3
|exit=343
|road={{jct|state=NC|US|701|US|13|to2=to|city1=Clinton|city2=Newton Grove}}
|notes= to [[Bentonville Battlefield]]}}
{{NCint|exit
|location=none
|mile=348.0
|exit=348
|road=Suttontown Road}}
{{NCint|exit
|location=none
|mile=355.4
|exit=355
|road={{jct|state=NC|NC|403|city1=Faison}}}}
{{NCint|exit
|county=Duplin
|cspan=6
|location=Warsaw
|lspan=2
|type=concur
|mile=364.5
|exit=364
|road={{jct|state=NC|NC|24|dir1=west|NC-Bus|24|dir2=east|dab2=Warsaw|to3=to|NC|50|city1=Warsaw|city2=Clinton}}
|notes=West end of NC&nbsp;24 overlap}}
{{NCint|exit
|mile=369.6
|exit=369
|road={{jct|state=NC|US|117|city1=Warsaw}}}}
{{NCint|exit
|location=none
|type=concur
|mile=372.9
|exit=373
|road={{jct|state=NC|NC|24|dir1=east|NC|903|city1=Magnolia|city2=Kenansville|city3=Beulaville}}
|notes=East end of NC&nbsp;24 overlap}}
{{NCint|exit
|location=Rose Hill
|mile=380.0
|exit=380
|road=Charity Road&nbsp;– [[Rose Hill, North Carolina|Rose Hill]]}}
{{NCint|exit
|location=none
|mile=384.1
|exit=384
|road={{jct|state=NC|NC|11|city1=Wallace|city2=Greenevers}}}}
{{NCint|exit
|location=none
|mile=385.4
|exit=385
|road={{jct|state=NC|NC|41|city1=Wallace|city2=Beulaville}}}}
{{NCint|exit
|county=Pender
|cspan=3
|location=none
|mile=390.2
|exit=390
|road={{jct|state=NC|US|117|city1=Wallace}}}}
{{NCint|exit
|location=Burgaw
|mile=398.5
|exit=398
|road={{jct|state=NC|NC|53|city1=Burgaw|city2=Jacksonville}}}}
{{NCint|exit
|location=Rocky Point
|mile=408.1
|exit=408
|road={{jct|state=NC|NC|210|city1=Rocky Point}}
|notes=To [[Moores Creek National Battlefield]]}}
{{NCint|exit
|county=New Hanover
|cspan=4
|location=Castle Hayne
|mile=414.5
|exit=414
|road=Holly Shelter Road&nbsp;– [[Castle Hayne, North Carolina|Castle Hayne]]}}
{{NCint|exit
|location=Murraysville
|mile=416.9
|exit=416
|road={{Jct|state=NC|I|140|NC|140|dir1=west|city1=Shallotte|location2=[[Myrtle Beach, South Carolina|Myrtle Beach]]|city3=Topsail Island|city4=Jacksonville}}
|notes=Signed as exits 416A (west) and 416B (east)}}
{{NCint|exit
|location=Wilmington
|lspan=2
|mile=419.9
|exit=420
|road={{jct|state=NC|US|117|NC|132|dir2=north|road|Gordon Road|city1=Castle Hayne}}
|notes=Signed as exits 420A (Gordon Road) and 420B (US&nbsp;117/NC&nbsp;132) westbound}}
{{NCint|exit
|mile=423.6
|exit=—
|road={{jct|state=NC|US|117|NC|132|dir2=south|location1=[[North Carolina State Ports Authority|State Port]]|city2=Carolina Beach}}
|notes=Continuation as US&nbsp;117/NC&nbsp;132}}
{{Jctbtm|exit|keys=closed,concur,incomplete,toll,unbuilt}}

==Related routes==
There are five auxiliary routes and three former business routes for I-40 in the state.

[[Interstate 140 (North Carolina)|I-140]] is a spur route in Wilmington that bypasses [[U.S. Route 17 in North Carolina|US&nbsp;17]] and forms a partial loop in the city. [[Interstate 240 (North Carolina)|I-240]] loops around downtown Asheville and the districts in the city.<ref>{{Cite web |last=Neufeld |first=Rob |title=Visiting Our Past: I-240 passage reminds us how great things were done |url=https://www.citizen-times.com/story/news/local/2022/04/10/visiting-our-past-240-passage-reminds-us-how-great-things-were-done/7270321001/ |access-date=2024-05-13 |website=The Asheville Citizen Times |language=en-US}}</ref> [[Interstate 440 (North Carolina)|I-440]] serves as much of the inner loop in Raleigh,<ref>{{Cite web |date=2024-03-12 |title=I-440 improvement project nears the end after 7 years |url=https://abc11.com/beltline-construction-i440-road-work-raleigh-traffic/14517038/ |access-date=2024-05-13 |website=ABC11 Raleigh-Durham |language=en}}</ref> while [[Interstate 540 (North Carolina)|I-540]] serves as an outer loop in the Raleigh area, also bypassing the suburbs.<ref>{{Cite web |title=NCDOT: Complete 540 |url=https://www.ncdot.gov/projects/complete-540/Pages/default.aspx |access-date=2024-05-13 |website=NCDOT |language=en-US}}</ref> [[Interstate 840 (North Carolina)|I-840]] serves as part of the north portion of the Greensboro Urban Loop.<ref>{{Cite web |title=NCDOT: Greensboro Urban Loop |url=https://www.ncdot.gov/projects/greensboro-urban-loop/Pages/default.aspx |access-date=2024-05-13 |website=NCDOT |language=en-US}}</ref>

[[Interstate 40 Business (Winston-Salem, North Carolina)|I-40 Bus.]] used a freeway grade going through downtown Winston-Salem and the districts surrounding downtown, while I-40 used a mostly newer bypass stretch going through fewer districts in the city limits. In 2020, I-40 Bus. was decommissioned. The Salem Parkway was picked as the new name for the route.<ref>{{Cite web |title=Salem Parkway: Creating a Downtown Gateway – Benefits of Transportation |url=https://benefits.transportation.org/salem-parkway-creating-a-downtown-gateway/ |access-date=2024-05-13 |website=benefits.transportation.org}}</ref> In 2008, [[Interstate 40 Business (Greensboro, North Carolina)|I-40 Bus.]] was briefly designated going through Greensboro when I-40 was rerouted onto the southern part of the [[Greensboro Urban Loop]], which was then recently completed. I-40 was eventually rerouted back in going through most of the city that same year.<ref>{{cite web |date=November 23, 2009 |title=Route Change (2009-11-23) |url=https://connect.ncdot.gov/resources/safety/Route%20Changes/2009_11_23c.pdf |url-status=live |archive-url=https://web.archive.org/web/20161007144245/https://connect.ncdot.gov/resources/safety/Route%20Changes/2009_11_23c.pdf |archive-date=October 7, 2016 |access-date=April 8, 2016 |publisher=North Carolina Department of Transportation}}</ref>

==References==
{{Reflist}}

==External links==
{{Attached KML|display=title,inline}}
* {{commons category-inline|Interstate 40 in North Carolina}}
* [http://www.vahighways.com/ncannex/route-log/ih040.html NCRoads.com: I-40]
* [https://www.constructionequipmentguide.com/ncdot-marks-milestone-on-360m-i-40-widening-project/62095  NCDOT Marks Milestone On $360M I-40 Widening Project]
{{state detail page browse|type=I|route=40|state=North Carolina|statebefore=Tennessee}}

{{DEFAULTSORT:Interstate 40 In North Carolina}}
[[Category:Interstate Highways in North Carolina|40]]
[[Category:Interstate 40| North Carolina]]
[[Category:Research Triangle]]
[[Category:Transportation in Haywood County, North Carolina]]
[[Category:Transportation in Buncombe County, North Carolina]]
[[Category:Transportation in McDowell County, North Carolina]]
[[Category:Transportation in Burke County, North Carolina]]
[[Category:Transportation in Catawba County, North Carolina]]
[[Category:Transportation in Iredell County, North Carolina]]
[[Category:Transportation in Davie County, North Carolina]]
[[Category:Transportation in Forsyth County, North Carolina]]
[[Category:Transportation in Guilford County, North Carolina]]
[[Category:Transportation in Alamance County, North Carolina]]
[[Category:Transportation in Orange County, North Carolina]]
[[Category:Transportation in Durham County, North Carolina]]
[[Category:Transportation in Wake County, North Carolina]]
[[Category:Transportation in Johnston County, North Carolina]]
[[Category:Transportation in Sampson County, North Carolina]]
[[Category:Transportation in Duplin County, North Carolina]]
[[Category:Transportation in Pender County, North Carolina]]
[[Category:Transportation in New Hanover County, North Carolina]]

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Wikidata entities used in this page

Interstate 40 in North Carolina: Sitelink, Title, Statement: P3096, Statement: P17, Statement: P31, Statement: P910, Statement: P1754, Description: en
Template:Attached KML/Interstate 40 in North Carolina: Sitelink, Statement: P31
United States of America: Label: en
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