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Missouri Route 30

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State highway in Missouri

Route 30
Route 30 highlighted in red
Route information
Maintained by MoDOT
Length	52.718 mi[1] (84.841 km)
Existed	1922–present
Major junctions
West end	I-44inSt. Clair
Major intersections	Route 47 in St. Clair Route 141inFenton I-270inSunset Hills US 50 / US 61 / US 67 in Sunset Hills
East end	I-44 / I-55inSt. Louis
Location
Country	United States
State	Missouri
Counties	Franklin Jefferson St. Louis
Independent city	City of St. Louis
Highway system
Missouri State Highway System Interstate US State Supplemental
← I-29 → Route 31

Route 30 is a highway in eastern Missouri, United States. Its eastern terminus is at the Interstate 55/Interstate 44 junction in St. Louis. Its western terminus is at Interstate 44 in St. Clair. In St. Louis, the section between Interstate 44 and Route 366 is part of historic U.S. Route 66 and is marked as such. In the St. Louis area, it is known as Gravois AvenueorGravois Road. Further south, Gravois Rd. is used to mark the old section of the highway where the newer, divided highway rerouted Highway 30.

Route description[edit]

Route 30 begins as it crosses over Interstate 55 at I-55's interchange with I-44. The four-lane road turns southwest as Gravois Rd and, after about two miles (3.2 km), intersects Route 366. Shortly after the intersection with Route 366, the road becomes a narrow street passing through some older parts of St. Louis. At the city limits of St. Louis, it continues into the suburban area (unincorporated). Shortly before reaching Grantwood Village is the northern terminus with Route 21. About two miles (3.2 km) further west is the intersection with Lindbergh Boulevard (U.S. 50 / U.S. 61 / U.S. 67) and the road becomes a four-lane divided highway. A mile past Lindbergh Boulevard is the junction with I-270, and two miles (3.2 km) southwest of that is an interchange over Route 141.

As the highway continues southwest in the suburban St. Louis area, the road has several traffic lights which gradually diminish as the road approaches Cedar Hill. West of Cedar Hill, the divided highway ends and the road becomes a winding road all the way to its end. A portion of the highway over the Meramec River was re-routed in the early 2000s when a new, wider bridge was built.

West of Lonedell is the beginning of a concurrency with Route 47. The concurrency ends five miles (8.0 km) later inside the city limits of St. Clair. The road briefly joins former U.S. Route 66, turns a corner, and ends at Interstate 44.

Mass transit[edit]

The southern half of MetroBus Route #10 (Lindell-Gravois) follows Gravois Ave from the Civic Center Station at 14th and Spruce, then onto Tucker and Chouteau. From Tucker, the route follows nearly the entirety of Gravois Ave until it reaches the Hampton Loop at Hampton and Gravois.

Major intersections[edit]

County	Location	mi[1]	km	Destinations	Notes
Franklin	St. Clair	52.718– 52.63	84.841– 84.70	Route WW west / Historic US 66 west I-44 – Rolla, St. Louis	Western terminus of Route 30, eastern terminus of Route WW; west end of concurrency with Historic US 66; exit 239 on I-44; road continues as Route WW/Historic US 66 west
		52.265	84.112	Route 47 north / Historic US 66 east (Commercial Avenue)	East end of concurrency with Historic US 66; west end of concurrency with Route 47
		51.949	83.604	Route PP south (Sycamore Avenue)	Northern terminus of Route PP
	Parkway	50.901	81.917	Route K south / Parkway Drive	Northern terminus of Route K
	Prairie Township	46.061	74.128	Route 47 south – Richwoods	East end of concurrency with Route 47
	Lonedell	42.859	68.975	Route N north	Southern terminus of Route N
		42.798	68.877	Route FF south	Northern terminus of Route FF
	Prairie Township	40.213	64.717	Route HH north	Southern terminus of Route HH
Jefferson	Grubville	38.227	61.520	Route Y south	Northern terminus of Route Y
	Meramec Township	31.905	51.346	Route NN north / Route B south – Hillsboro	Southern terminus of Route NN; northern terminus of Route B
	Cedar Hill	30.882	49.700	Route BB south – Hillsboro	Northern terminus of Route BB
	Byrnes Mill	25.259	40.650	Route W north / Route MM east – Eureka, House Springs	Southern terminus of Route W; northern terminus of Route MM
	High Ridge	21.304	34.285	Route PP north	Southern terminus of Route PP
St. Louis	Fenton	14.592– 14.578	23.484– 23.461	Route 141 – Fenton, Valley Park	Interchange
	Sunset Hills	11.885– 11.871	19.127– 19.105	I-270	Exit 3 on I-270
		10.932	17.593	US 50 / US 61 / US 67 (Lindbergh Boulevard)
	Affton	7.82	12.59	Route 21 south (Tesson Ferry Road) / Rock Hill Road	Northern terminus of Route 21
		7.5	12.1	Gravois Loop West	Interchange to frontage roads; eastbound exit and westbound entrance
		7.487	12.049	Gravois Loop East	Interchange to frontage roads; westbound exit and eastbound entrance
		7.284	11.722	Route P north (Mackenzie Road)	Southern terminus of Route P
CityofSt. Louis		3.027	4.871	Frontage roads	Interchange; eastbound exit and westbound entrance
		2.915	4.691	Meramec Street	Partial interchange; intersection with westbound ramp to Meramec St. east; also provides access to Bingham Avenue east
		2.742	4.413	Route 366 / Historic US 66 west (Chippewa Street)	West end of concurrency with Historic US 66; no left turns
		2.06	3.32	Grand Boulevard
		1.801	2.898	Cherokee Street
		0.633	1.019	Jefferson Avenue / Sidney Street	No left turns
		0.000	0.000	I-55 south – Memphis	Eastern terminus; exit 207A on I-55
				I-44 east / I-55 north Tucker Boulevard (Historic US 66 east)	MoDOT signs this as eastern terminus; exit 290A on I-44 west; east end of concurrency with Historic US 66; road continues north as Tucker Blvd. (Historic US 66 east)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus       Incomplete access       Route transition

See also[edit]

• U.S. Roads portal

References[edit]

External links[edit]

Media related to Missouri Route 30 at Wikimedia Commons