Montana Highway 200

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Montana Highway 200 marker

Montana Highway 200
Route information
Maintained by MDT
Length 706.272 mi[1] (1,136.635 km)
Major junctions
West end SH 200 northwest of Heron
  US 93 from Ravalli to Missoula
I-90 from Wye to Bonner
US 12 from Missoula to Bonner
US 287 near Milford Colony
US 89 from Sun River to Armington
I-15 from Vaughn to Great Falls
US 87 from Great Falls to Grass Range
US 191 from near Hobson to Lewistown
East end ND 200 at Fairview
Counties Richland, Dawson, McCone, Garfield, Petroleum, Fergus, Judith Basin, Cascade, Lewis and Clark, Powell, Missoula, Lake, Sanders
Highway system
US 191 MT 200S

Montana Highway 200 (MT 200) in the U.S. state of Montana is a route running east-west covering the entire state of Montana. From the starting point at ID 200, near Heron, Montana the highway runs east to ND 200 near Fairview, Montana. It is part of a chain of state highways numbered 200 which extend from Idaho across Montana, North Dakota and Minnesota. Montana Highway 200 is also the longest route signed as a state highway in the United States.

Highway 200 and US 93 southbound

Highway 200 helps to connect many small towns located in central Montana and the vast plains area of eastern Montana, to larger western Montana cities such as Great Falls and Missoula.

The highway runs parallel to the Blackfoot River from McNamara to Milltown. The highway is subject to hazardous driving conditions in the winter, particularly due to black ice. The road crosses Rogers Pass on the continental divide on its way west to Missoula.

At its western end, west of Missoula, Highway 200 follows the Clark Fork River eastward at the feet of the Cabinet Mountains until it meets the Flathead River at MT 135. It then follows the Flathead River east to Dixon where the Flathead River turns north. Highway 200 continues east following the Jocko River until it intersects with US 93 at Ravalli. The highway then bends south to join I-90 going east into Missoula.


Today's Highway 200 is part of a four-state chain of such routes, but it did not begin that way. It was assembled from other state and federal routes over the years.

The status of the routes and route segments that became Highway 200 in 1937.[2]

  • The section from the Idaho line to Ravalli was the original MT 3.
  • No concurrency from Ravalli to Missoula on US 93 or US 10.
  • The section from Bonner to Sun River was then MT 20, and much was yet to be constructed. The route even followed segments of today's MT 21 to Augusta and future US 287 (then MT 33).
  • No concurrency from Sun River to Grass Range along US 87.
  • The section from Grass Range to Circle was part of the original MT 18.
  • The remainder of MT 18 ran from Circle to Glendive, today's MT 200S.
  • The section from Circle to Sidney was Montana 23, ending at then MT 14.
  • MT 14 ran the rest of the way to Fairview.

By 1941, US 10 Alternate (US 10A) had replaced MT 3 as part of an alternate route from Wye to Spokane via Sandpoint and was now concurrent with US 93 to US 10.

Between 1948 and 1959, many construction projects and route redesignations with concurrencies made MT 20 from Bonner to Sidney the baseline for today's MT 200. MT 23N replaced MT 14 from Sidney to Fairview and MT 20S replaced MT 18 from Circle to Glendive.

In 1960, MT 20 picked up the Sidney to Fairview segment.

By 1969, the entire MT 20 had become MT 200 and included the former US 10A from Idaho to Wye, and following US 10 and 93 through Missoula. MT 20S became 200S.

Major intersections[edit]

County Location mi km Destinations Notes
Sanders 0.000 0.000 SH 200 west – Sandpoint Continuation into Idaho
10.418 16.766 MT 56 north to US 2 – Troy
49.102 79.022 S-471 west (Prospect Creek Road) Forest Highway 7, seasonal access to Thompson Pass (S-471) and Cooper Pass (FR-7623, Prospect Creek Road)
56.013 90.144 S-556 north (Thompson River Road)
76.706 123.446 MT 28 east – Hot Springs, Kalispell, Glacier Park
85.030 136.843 MT 135 south to I-90 – St. Regis
Perma 95.617 153.881 S-382 north – Hot Springs
Dixon 109.750 176.626 S-212 north – National Bison Range, Moiese, Charlo
Lake Ravalli 115.787 186.341 US 93 north – Kalispell West end of US 93 overlap
S-559 east (Jocko Road)
Missoula S-574 west (Waldo Road / Frontage Road) – Frenchtown
Wye 143.004 230.143 I-90 west – Coeur d'Alene West end of I-90 overlap; MT 200 west follows exit 96
146.612 235.949 Airway Boulevard I-90 exit 99
Missoula 148.388 238.807 I-90 Bus. east / US 93 south (Reserve Street) – Hamilton East end of US 93 overlap; I-90 exit 101
151.451 243.737 Orange Street I-90 exit 104
152.315 245.127 I-90 Bus. west / US 12 west (Van Buren Street) West end of US 12 overlap; I-90 exit 105
East Missoula 153.940 247.742 East Missoula I-90 exit 107
West Riverside 156.885 252.482 I-90 east / US 12 east – Butte East end of I-90 / US 12 overlap; MT 200 east follows exit 109
Bonner S-210 east
Clearwater Junction 189.465 304.914 MT 83 north – Seeley Lake, Kalispell, Glacier National Park
Powell 213.308 343.286 MT 141 south – Avon, Helmville
Lewis and Clark S-279 south – Helena
Rogers Pass 248 399 Continental Divide (elevation 5,610 ft or 1,710 m)
S-434 south – Wolf Creek, Bean Lake
Bowman's Corner 266.655 429.140 US 287 – Augusta, Wolf Creek
Cascade Simms MT 21 west – Augusta
S-565 north
Sun River 297.069 478.086 US 89 north – Fairfield, Choteau, Glacier National Park West end of US 89 overlap
Vaughn 305.044 490.921 I-15 north – Shelby West end of I-15 overlap; MT 200 west follows exit 290
309.142 497.516 Manchester I-15 exit 286
313.020 503.757 To US 87 north / Northwest Bypass Eastbound exit and westbound entrance; I-15 exit 282
Great Falls 314.999 506.942 I-15 Bus. south (Central Avenue West) to US 87 north I-15 exit 280
316.588 509.499 I-15 south – Helena East end of I-15 overlap; west end of I-315 / MT 3 overlap; MT 200 east follows exit 278
316.923 510.038 14th Street Southwest I-315 exit 0
317.416 510.832 Fox Farm Road / 6th Street Southwest East end of I-315 overlap
I-15 Bus. north (6th Street South) west end of I-15 Bus. overlap
US 87 north (15th Street South) – Black Eagle, Havre West end of US 87 overlap
322.762 519.435
US 87 Byp. north (57th Street) – Malmstrom AFB, Montana Veterans Memorial, Lewis & Clark Interpretive Center, Giant Springs State Park
S-228 north / S-227 south – Highwood, Sand Coulee
S-331 north – Belt
Armington Junction 342.240 550.782 US 89 south – Monarch, White Sulphur Springs East end of US 89 overlap
Judith Basin S-427 south – White Sulphur Springs
Geyser S-551 north – Geyser
378.939 609.843 MT 80 north – Stanford, Fort Benton
S-541 south
S-207 north – Benchland
Moccasin S-426 north
S-239 west – Hobson, Utica
Fergus Eddies Corner 406.937 654.902 US 191 south / MT 3 south – Harlowton East end of MT 3 overlap; west end of US 191 overlap
421.272 677.972
US 87 Bus. south / US 191 Bus. north / MT 200 Bus. east – Lewistown
Lewistown S-237 north (Joyland Road)
US 191 north – Malta west end of US 191 Bus. overlap

US 87 Bus. north / US 191 Bus. south / MT 200 Bus. west (West Main Street) / S-238 south (First Avenue South) – Great Falls
east end of US 191 Bus. overlap
454.798 731.926 US 87 south / MT 19 north – Malta, Billings East end of US 87 overlap
Petroleum Winnett S-244 south – Winnett
S-500 south
Garfield 552.525 889.203 MT 59 south – Miles City
Jordan S-245 west – Hell Creek State Park, Airport
S-341 north
county line
Flowing Well 588.970 947.855 MT 24 north – Fort Peck
McCone S-253 south – Brockway
S-467 east
Circle S-252 west
620.305 998.284 MT 13 north – Wolf Point
621.349 999.964 MT 200S east – Glendive
Dawson Richey S-254 – Richey, Glendive
Richland 692.396 1,114.303 MT 16 south / MT 23 east – Watford City, Glendive West end of MT 16 overlap
Sidney 694.964 1,118.436 MT 16 north – Regina, Culbertson, Airport East end of MT 16 overlap
Fairview S-201 west
706.624 1,137.201 ND 200 east – Williston Continuation into North Dakota
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Related route[edit]

Montana Highway 200S
Location Circle to Glendive
Length 48.674 mi[1] (78.333 km)

Montana Highway 200S (MT 200S) is a spur route of MT 200 that branches off of the main route near Circle and ends at I-94 in Glendive.

MT 200S was originally part of MT 18, renamed MT 20S when MT 23 from Circle to Sidney was renamed MT 20, and received its current name when MT 20 was renamed MT 200.

In the state road log, MT 200S picks up the mileposts from route N-57 (C000057) from mileposts 279.109 to 327.783, for a total of 48.674 miles (78.333 km).

See also[edit]


  1. ^ a b Staff (2013). "Montana Road Log" (PDF). Montana Department of Transportation. Retrieved May 1, 2017. 
  2. ^ Texaco; Rand McNally and Company (1937). Road map: Idaho, Mont., Wyo (Map). Chicago: Rand McNally and Company. Retrieved April 28, 2017 – via David Rumsey Map Library. [full citation needed]

External links[edit]

Route map: Google

KML is from Wikidata