List of Montana numbered highways

Montana Highway System

Interstate 90 markerU.S. Route 2 markerMontana Highway 200 markerSecondary Highway 236 marker

Highway markers for Interstate 90, U.S. Highway 2, MT 200, and S-236

Map of main highways (Interstate and U.S.)
System information
Maintained by MDT
Highway names
Interstates: Interstate n (I-n)
US Routes: U.S. Highway n (US n)
State: Montana Highway n (MT n)
Secondary: Secondary Highway n (S-n)
System links
Montana Highways
Secondary

The following is a list of Montana's numbered highways.

Interstate highways

Number Length (mi)[1] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed
I15 396.03637.35 I-15 near MonidaHwy 4 at Sweetgrass
I90 551.68887.84 I-90 near Mullan, IDI-90 / US 87 near Ranchester, WY
I94 249.15400.97 I-90 at BillingsI-94 near Beach, ND
I115 1.191.92 I-15 / I-90 in ButteDowntown Butte
I315 0.831.34 I-15 / US 89 / MT 200 in Great FallsDowntown Great Falls

U.S. highways

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 2 6671,073 US 2 west of TroyUS 2 east of Bainville 1926current
US 10 7001,100 US 10 near Mullan, IDUS 10 near Beach, ND 19261986 Mostly replaced by I-90 and I-94
US 10A 62100 GregsonDrummond 19361986 Replaced by MT 1
US 10A 142229 De SmetUS 10A near Heron 19411967 Replaced by MT 200
US 10N 112180 Three ForksGarrison 19301959 Replaced by MT 287 and US 12
US 10S 115185 Three ForksGarrison 19301959 Became mainline US 10
US 12 597961 US 12 near Lolo Hot SpringsUS 12 near Marmarth, ND 1926current
US 20 1020 US 20 near West YellowstoneYellowstone National Park entrance at West Yellowstone 1940current
US 87 440710 I-90 / US 87 near Ranchester, WYUS 2 at Harve 1926current
US 87E 311501 ArmingtonUS 87E near Ranchester 19261934 Became mainline US 87
US 87W 209336 ArmingtonYellowstone National Park near Gardiner 19261934 Replaced by US 89
US 89 404650 Yellowstone National Park near GardinerHwy 2 near Carway, AB 1934current
US 91 396637 US 91 near MonidaHwy 4 at Sweetgrass 19261980 Replaced by I-15
US 93 286460 US 93 at Lost Trail PassBC 93 at Roosville, BC 1926current

US 93 Alt.
4.57.2 US 93 south of KalispellUS 93 north of Kalispell 2010current Included all segments open as of November 2013; expected completion 2016[2][3]
US 191 438705 Yellowstone National Park at West YellowstoneHwy 4 north of Loring 1926current
US 212 322518 Yellowstone National Park at Northeast entrance
US 212 south of Red Lodge
US 212 near Cooke City
US 212 near Alzada
1939current
US 287 282454 Yellowstone National Park entrance at West YellowstoneUS 89 at Choteau 1965current
US 310 5589 US 310 / WYO 789 near Frannie, WYI-90 Bus at Laurel 1926current
US 312 225362 US 12 in BillingsUS 212 at Broadus 19591981 Replaced by MT 59 and US 10

Primary state highways

Secondary state highways

Montana Secondary Highway 486 at Columbia Falls
Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed
S-201 69.511111.867 MT 13 near VidaMT 200 in Fairview 1952current
S-202 2.6624.284 MT 23 near SidneyNorth Dakota state line 1977current
S-203 11.98319.285 S-269 north of StevensvilleUS 93 in Florence 1976current
S-204 1.5962.569 Milk River crossingUS 2 at Dodson 1993current
S-205 24.36139.205 I-90 at Three ForksS-411 near Bozeman 1993current
S-206 9.74115.677 MT 35 east of EvergreenUS 2 near Columbia Falls 1926current
S-207 21.86235.183 US 87 / MT 3 / MT 200 near MoccasinMT 81 in Denton 1993current
S-208 9.41215.147 US 191 in Phillips CountyWhitewater 1978current
S-209 4.8617.823 MT 35 at Big ForkMT 83 near Ferndale 1945current
S-210 9.85515.860 MT 200 at MissoulaI-90 / US 12 at Clinton 1976current
S-211 9.75715.702 Lake CountyUS 93 in Ronan 1945current
S-212 17.28527.818 MT 200 near DixonUS 93 near Charlo 1945current
S-213 39.51363.590 US 2 in Cut BankHwy 62 at the Port of Del Bonita 1945current
S-214 32.82852.832 S-213 near Cut BankI-15 at Sweet Grass 1945current
S-215 21.29934.277 S-213 near Cut BankI-15 near Oilmont 1945current
S-217 14.08722.671 S-343 in Toole CountyS-409 at Whitlash 1976current
S-218 29.25347.078 I-15 Bus in ConradS-225 in Teton County 1945current
S-219 19.81831.894 US 89 near PendroyI-15 Bus near Conrad 1945current
S-220 17.94028.872 S-221 near ChoteauS-219 east of Pendroy 1945current
S-221 24.44439.339 US 89 at ChoteauI-15 near Dutton 1945current
S-222 3.5895.776 I-15 / S-278 south of DillonI-15 Bus at Dillon 1976current
S-223 52.90185.136 US 87 / MT 80 near Fort BentonUS 2 in Chester 1945current
S-224 18.95030.497 US 2 near JoplinLocal road in Liberty County 1945current
S-225 56.22090.477 Great Falls city limitsS-366 in Toole County 1945current
S-226 14.56023.432 EdenGreat Falls city limits 1945current
S-227 16.75626.966 S-226 near EdenUS 87 / US 89 / MT 3 / MT 200 near Great Falls 1945current
S-228 42.63368.611 US 87 / US 89 / MT 3 / MT 200 near Great FallsMT 80 near Fort Benton 1945current
S-229 2.5924.171 Helena city limitsS-279 near Helena 1976current
S-231 5.6749.131 Helena city limitsS-279 near Helena 1983current
S-232 42.78468.854 Havre city limitsHwy 41 at the Port of Wild Horse 1945current
S-233 30.48249.056 S-232 near HavreHwy 21 at the Port of Willow Creek 1945current
S-234 21.66234.862 Rocky Boys Indian ReservationHavre city limits 1945current
S-235 5.6109.028 MT 85 near BozemanBozeman city limits 1983current
S-236 88.235142.000 US 191 at HilgerUS 87 at Big Sandy 1945current
S-238 68.888110.864 US 2 / MT 3 in RyegateUS 89 / MT 200 in Lewiston 1945current
S-239 11.66618.775 UticaUS 87 / MT 3 / MT 200 in Hobson 1946current
S-240 25.33340.770 ClevelandUS 2 in Chinook 1945current

Former highways

See also

References

  1. "Route Log & Finder". FHWA. November 2002. Retrieved 2008-10-21.
  2. Montana Department of Transportation (2013). "Montana Road Log" (PDF). p. 117. Retrieved 2015-02-08.
  3. "Kalispell Bypass". Montana Department of Transportation. Retrieved 2015-02-08.