U.S. Highway 93 | ||||
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US 93 highlighted in red
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| Route information | ||||
| Maintained by MDT | ||||
| Length | 287.919 mi[1] (463.361 km) | |||
| Major junctions | ||||
| South end |  US 93 at the Idaho state line at Lost Trail Pass | |||
| Major intersections |
 I-90 from Missoula to Wye MT 200 from Missoula to Ravalli US 93 Alt. near Kalispell US 2 in Kalispell | |||
| North end |  Hwy 93 at the British Columbia provincial border at Port of Roosville | |||
| Location | ||||
| Country | United States | |||
| State | Montana | |||
| Counties | Ravalli, Missoula, Lake, Flathead, Lincoln | |||
| Highway system | ||||
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U.S. Highway 93 (US 93) is a north–south United States Numbered Highway in the state of Montana.
US 93 enters Montana from Idaho at Lost Trail Pass and travels north descending through the Bitterroot National Forest. The highway continues along the Lewis and Clark Trail into the Bitterroot Valley toward Missoula, passing through Darby and Hamilton. At Lolo, US 12 joins from the west and they run concurrently northeasterly for 7.5 miles (12.1 km), where US 93 heads due north on Reserve Street in Missoula. US 93 then joins I-90 and runs concurrently westward for 5.4 miles (8.7 km) to Wye, where it heads north.
From Wye, US 93 continues north through the Flathead Indian Reservation, where its signage includes the historic Salish and Kutenai names for towns, rivers, and streams.[3] Portions of this section run along the CSKT Bison Range. North of the reservation, US 93 traverses the western shore of Flathead Lake, the largest freshwater lake west of the Mississippi River. North of the lake the highway runs through the cities of Kalispell and Whitefish, traveling through the Flathead National Forest and the Stillwater State Forest before reaching its terminus at the Canadian border near Eureka.
The portion north of Hamilton travels through one of the most densely populated areas in Montana. This section also serves as a popular north–south connection between Yellowstone National Park and Glacier National Park. As a result, the road tends to become more congested between Hamilton and Whitefish. A popular bumper stickerinMontana reads, "Pray for me, I drive Hwy 93!"[4]
The Lewis and Clark Expedition became the first white men to travel the future US 93 corridor between today's Lost Trail Pass and Lolo in 1805, and Lewis's detachment ventured further north to the future site of Missoula in 1806 on their way to explore the Marias River. When US 93 was established in 1926, the nature of the highway's construction in Montana's mixture of terrain around glacial lakes, through dense forests and over high mountains was a significant challenge given the construction techniques and equipment of the time. On completed sections, animal-vehicle accidents would prove to be a thorn in the side of traveler and engineer alike.
Many stretches have been widened and straightened, or else rerouted in ongoing efforts to improve traffic safety and preserve animals at the same time. Some of the old sections are still in use today, including the original gravel routing from Lost Trail PasstoSula vía Gibbons Pass and Bitterroot-Bighorn Roads, and old paved sections from DarbytoHamilton, through Missoula via Brooks, Stephens, Orange and West Broadway Streets, through St. Ignatius, north of Ronan to north of Pablo, northeast of Elmo through Dayton, Political Hill Road south of Lakeside, Lakeside Boulevard north of Lakeside, Old US 93 S in Somers, Forest Hill Road north of Somers, and two sections between Whitefish and Eureka.
US 93 is now four-lanes from Hamilton to Evaro, through Arlee, north of Ronan to the south edge of Polson, and north of Somers to the south edge of Whitefish (except a six-block section near the county courthouse in Kalispell).
Significant animal conservation efforts[5] have also been accomplished in several areas of the corridor from Hamilton to Missoula, and from Missoula to Polson. In 1997, the Confederated Salish and Kootenai Tribes of the Flathead Nation entered negotiations with the Montana Department of Transportation over improvements to the 56-mile section (90 km) through the reservation as the tribes were concerned that project would destroy wetlands, further fragment wildlife habitat, and kill more animals crossing the highway.[6] With concern for the nearby designated wilderness and grizzly bear habitat in the Mission Mountains, an agreement with the state and the Federal Highway Administration was reached in December 2000.[7] While the passing lanes, turning lanes, climbing lanes, and wider shoulders were intended to cut down on accidents, the project also included 41 fish and wildlife crossings with the most visible being “Animals’ Trail”, a 197-foot wide vegetated bridge (60 m).[8]
A new US 93 Alternate (US 93 Alt.) was built to bypass through traffic around downtown Kalispell, Montana, between 2010-2016.[9] Currently, US 93 through Kalispell is Main Street and Sunset Boulevard, a 25 to 45 mph (40 to 70 km/h) arterial. Three segments of the bypass comprising a total of 4.5 miles (7.2 km) were completed and opened to traffic between 2010 and 2013. The remaining three miles (4.8 km) opened on October 28, 2016.[10] The southwest 3.2-mile (5.1 km) segment of the bypass is currently only two lanes and is slated for expansion to four lanes with two additional grade-separated interchanges when funding permits.
| County | Location | mi[11] | km | Exit | Destinations | Notes |
|---|---|---|---|---|---|---|
| Ravalli | Lost Trail Pass | 0.000 | 0.000 |  US 93 south – Salmon | Continuation into Idaho | |
| 0.009 | 0.014 |   MT 43 east – Wisdom | Access to Chief Joseph Pass and Gibbons Pass | |||
| Conner | 26.265 | 42.269 |  S-473 south (West Fork Road) | Access to Painted Rocks State Park, Horse Creek Pass and Nez Perce Pass | ||
| Grantsdale | 42.967 | 69.149 |   S-531 north (Roaring Lion Road) | |||
| 44.292 | 71.281 |  MT 38 east (Skalkaho Highway) – Phillipsburg | ||||
| Hamilton | 47.092 | 75.787 |  S-269 north (Marcus Street) / S-531 south (Main Street) | |||
| Woodside | 51.709 | 83.218 |  S-373 east (Woodside Cutoff) – Corvallis | |||
| | 60.849 | 97.927 |  S-370 east (Bell Crossing) | |||
| Stevensville | 66.486 | 106.999 | S-269 south (Stevensville Road) | |||
| Florence | 74.436 | 119.793 |  S-203 east (Eastside Road) | |||
| Missoula | Lolo | 83.239 | 133.960 |   US 12 west (Lewis and Clark Highway) – Lewiston ID | Southern end of US 12 concurrency | |
| Missoula | 90.763 | 146.069 |  US 12 east / US 93 Bus. north (Lewis and Clark Highway / Brooks Street) | Northern end of US 12 concurrency | ||
| 95.119 | 153.079 |   I-90 BL east / US 93 Bus. south (W. Broadway) | Interchange; former US 93 south / US 10 / MT 200; southern end of I-90 BL concurrency | |||
| 96.132 | 154.709 | 101 | I-90 / MT 200 east – Butte | Western terminus of I-90 BL; southern end of I-90 / MT 200 concurrency; exit numbers follow I-90 | ||
| | 97.908 | 157.568 | 99 | Airway Boulevard | ||
| Wye | 101.516 | 163.374 | 96 |  I-90 west – Coeur d'Alene | Northern end of I-90 concurrency | |
| Lake | | 117.844 | 189.652 |  S-559 east (Jocko Road) | Connects to Seeley Lake via Jocko Canyon, Placid Creek, and Placid Lake Roads | |
| Ravalli | 128.731 | 207.172 | MT 200 west – National Bison Range, Thompson Falls | Northern end of MT 200 concurrency | ||
| | 143.254 | 230.545 |  S-212 south – Charlo, Moiese, Dixon | National Bison Range visitor center and HQ in Moiese | ||
| Ronan | 148.277 | 238.629 |  S-211 west (Round Butte Road) | Connects to Hot Springs via Sloan Road and Little Bitterroot Road | ||
| Polson | 160.033 | 257.548 |  MT 35 north – Bigfork | Flathead Lake east lakeshore route | ||
| 161.966 | 260.659 |  S-354 south (Main Street) | Access to SKQ Dam | |||
| Elmo | 178.484 | 287.242 |  MT 28 west – Hot Springs, Plains | |||
| Dayton | 183.787 | 295.777 |  S-352 west – Proctor, Lake Mary Ronan | |||
| Flathead | Somers | 205.222 | 330.273 |  MT 82 east – Bigfork | ||
| | 210.057 | 338.054 | US 93 Alt. north (Kalispell Bypass) | Southern terminus of US 93 Alt. | ||
| Kalispell | 210.706 | 339.098 |  S-317 north (Willow Glen Drive) | De facto southeast bypass | ||
| 212.471 | 341.939 |   S-503 south (Airport Road) | Serves Kalispell City Airport | |||
| 213.632 | 343.807 | US 2 (Idaho Road) – Libby, Glacier Park | ||||
| 216.545 | 348.495 | US 93 Alt. south (Kalispell Bypass) / West Reserve Drive | Northern terminus of US 93 Alt. | |||
| | 226.125 | 363.913 |  MT 40 east – Columbia Falls, Glacier Nat'l Park | |||
| Whitefish | 228.493 | 367.724 |  S-487 north (Baker Street) | Access to Whitefish Mountain Resort ski area and Whitefish Lake | ||
| | 233.093 | 375.127 |  S-424 south (Twin Bridges Road) | |||
| Lincoln | Eureka | 281.366 | 452.815 |  MT 37 south – Libby, Rexford | Access to Lake Koocanusa | |
| Roosville Border Crossing | 287.919 | 463.361 | Canada–United States border | |||
| Hwy 93 north – Cranbrook | Continuation into British Columbia | |||||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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 U.S. Route 93
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| Previous state: Idaho |
Montana | Next state: Terminus |
