List of state highways in Montana

Montana Highway System
Montana Highway 200 markerSecondary Highway 323 marker
Highway markers for MT 200, and S-323
Map of main highways (Interstate and U.S.)
System information
Maintained by MDT
Highway names
Interstates Interstate n (I-n)
US Highways U.S. Highway n (US n)
State Montana Highway n (MT n)
Secondary: Secondary Highway n (S-n)
System links

The state highways in Montana are the state highways owned and maintained by the Montana Department of Transportation (MDT) in the U.S. state of Montana.

Primary state highways

The square markers used today to identify primary Montana highways are only slightly different from their 1940s and earlier predecessors. The old markers used the word "ROUTE" above the number in big size, the route number in the middle, and the word "MONTANA" from edge-to-edge at the sign bottom. The font used was similar to that used for US routes.

Number Length (mi)[1][2] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
MT 1 63.652102.438 I-90 in OpportunityI-90 in Drummond 01922-01-011922current
MT 2 63.241101.777 I-90 in ButteI-90 in Three Forks
MT 3 Idaho border near HeronUS 93 in Ravalli Replaced by MT 200
MT 3 221.770356.904 I-90 in BillingsI-15 and US 89 in Great Falls
MT 4 2439 Idaho state lineMT 3 in Thompson Falls Replaced by Forest Service Road NF-7623 and S-471
MT 5 65.573105.530 MT 13 in ScobeyND 5 in Westby
MT 6 US 10 Alternate in TownsendUS 10 in Forsyth Replaced by US 12
MT 7 80.585129.689 S-323 in EkalakaI-94 in Wibaux 01930-01-011930current
MT 8 US 87 in Crow AgencyMT 22 near Olive Replaced by US 212
MT 9 Lolo PassUS 93 at Lolo Replaced by US 12
MT 11 US 89 in VaughnAlberta border at Sweetgrass 01934-01-011934 Replaced by US 91
MT 13 112.507181.062 MT 200 in CircleHwy 36 at the Saskatchewan border
MT 14 US 10 at GlendiveNorth Dakota border at Fairview Replaced by MT 16 and MT 200
MT 15 US 87 in StanfordUS 2 in Chester Replaced by MT 80 and S-223
MT 16 152.371245.217 I-94 Bus. in GlendiveHwy 6 at the Saskatchewan border
MT 17 14.08222.663 US 89 near Kennedy CreekHwy 6 at the Alberta border
MT 18 US 87 in Grass RangeUS 10 / MT 14 in Glendive Replaced by MT 200 and MT 200S
MT 19 US 10 in Big TimberUS 2 / MT 39 in Malta Replaced by US 191
MT 19 21.48234.572 US 87 and MT 200 near Grass RangeUS 191 near Roy
MT 20 US 10 in BonnerUS 89 near Great Falls Replaced by MT 200
MT 21 20.77633.436 US 287 near AugustaMT 200 in Simms
MT 22 Wyoming border at AlzadaSaskatchewan border at Port of Ophiem Replaced by US 212, MT 59, S-341, and MT 24
MT 23 7.52712.114 MT 16 and MT 200 near SidneyND 68 at the North Dakota border
MT 24 5893 MT 37 at JenningsUS 2 in Marion
MT 24 134.098215.810 MT 200 near BrockwayHwy 2 at the Saskatchewan border
MT 25 5.7979.329 US 2 in Wolf PointMT 13 in Bridge Park
MT 26 MT 3 in Trout CreekUS 2 in Kootenai National Forest
MT 27 MT 19 in WinifredMT 29 in Big Sandy Replaced by S-226
MT 28 46.73475.211 MT 200 near PlainsUS 93 in Elmo
MT 29 US 87 / US 89 in Great FallsPort of Wildhorse Replaced by US 87
MT 30 US 12 near Miles CitySouth Dakota border near Mill Iron
MT 31 US 10 in DrummondMT 35 near Bigfork Replaced by S-271 and MT 83
MT 32 Yellowstone National Park at Silver GateUS 310 at Rockvale Replaced by US 212
MT 33 US 91 / MT 20 in Wolf CreekUS 89 in Choteau Replaced by US 287
MT 34 MT 41 in Twin BridgesMT 287 in Ennis Replaced by MT 287
MT 35 50.66981.544 US 93 in PolsonUS 2 in Evergreen
MT 36 US 93 near Gibbons PassUS 91 in Dillon Replaced by MT 43 and S-278
MT 37 67.048107.903 US 2 in LibbyUS 93 in Eureka
MT 38 53.83586.639 US 93 in GrantsdaleMT 1 in Porters Corner 01924-01-011924current Skalkaho Highway
MT 39 51.16382.339 US 212 in Lame DeerNorth of I-94 near Forsyth
MT 40 4.5057.250 US 93 south of WhitefishUS 2 west of Columbia Falls
MT 41 54.51287.729 I-15 Bus. in DillonMT 2 in Vendome Station
MT 42 2.8924.654 MT 24 south of GlasgowUS 2 in Glasgow
MT 43 77.462124.663 US 93 at Lost Trail PassI-15 near Divide Last mile near western terminus with US 93 is in Idaho.
MT 44 28.39045.689 US 93 north of DupuyerI-15 east of Valier
MT 45 MT 8 in Lame DeerUS 10 in Forsyth Replaced by MT 39
MT 47 31.43750.593 I-90 in HardinI-94 east of Custer
MT 48 6.83911.006 MT 1 near AnacondaI-90 near Warm Springs
MT 49 11.73418.884 US 2 in East Glacier ParkUS 89 north of Kiowa
MT 50 Idaho border at Raynolds PassUS 287 west of Lake Hebgen Replaced by MT 87
MT 55 12.99620.915 MT 41 north of Silver StarI-90 at Whitehall
MT 56 34.64655.757 MT 200 west of NoxonUS 2 east of Troy
MT 59 195.389314.448 WYO 59 at the Wyoming borderMT 200 at Jordan
MT 64 9.03914.547 Big Sky ResortUS 191 near Big Sky Resort
MT 66 50.02280.503 US 191 south of LanduskyUS 2 at Fort Belknap
MT 69 38.39561.791 MT 55 at WhitehallI-15 at Boulder
MT 72 21.40834.453 WYO 120 at the Wyoming borderUS 310 south of Bridger
MT 78 47.71476.788 US 212 at Red LodgeI-90 at Columbus
MT 80 67.172108.103 US 87 at StanfordUS 87 at Fort Benton
MT 81 42.44668.310 MT 80 near Coffee CreekUS 191 at Brooks
MT 82 6.86211.043 US 93 north of SomersMT 82 north of Bigfork 01978-01-011978current
MT 83 91.118146.640 MT 200 at Clearwater JunctionMT 35 north of Bigfork 01978-01-011978current
MT 84 28.90446.516 US 287 in NorrisUS 191 / MT 85 near Four Corners
MT 85 6.70410.789 US 191 / MT 84 near Four CornersI-90 at Belgrade
MT 86 37.49860.347 US 191 / I-90 Bus. in BozemanUS 89 near Wilsall
MT 87 8.57113.794 SH-87 at the Idaho borderUS 287 west of Quake Lake 01987-01-011987current
MT 110 US 10 near OpportunityUS 10 in Drummond Replaced by US 10 Alternate
MT 117 13.13821.144 MT 24 at Fort PeckUS 2 at Nashua
MT 135 21.54934.680 I-90 at St. RegisMT 200 near Paradise
MT 141 32.46852.252 US 12 at AvonMT 200 north of Helmville
MT 187 US 10 in BozemanUS 89 in Wilsall Replaced by MT 86
MT 191 US 191 near GraylingUS 10 near Sappington Replaced by US 287
MT 200 706.6241,137.201 SH-200 at the Idaho borderND 200 at Fairview 01967-01-011967current
MT 200S 48.67478.333 MT 200 east of CircleUS 10 / I-94 Bus. in Glendive
MT 287 48.82278.571 MT 41 at Twin BridgesUS 287 at Ennis
MT 789 Wyoming border south of WarrenAlberta border at Sweetgrass Part of US 789 corridor

Secondary state highways

Montana Secondary Highway 486 at Columbia Falls

The highway markers for Montana's S routes are distinctive in that the route number appears in black on a white down-pointing arrowhead. (Early markers were white numbers on black arrowheads with the word Montana in the flat top of the inverted arrowhead and Secondary appearing below the route number on the shields.)

S routes first appeared on the state highway map in 1960,[3] even though the secondary system was established in 1942.[4] With very few exceptions (i.e. MT 287, former MT 789), S routes are exclusively numbered 201 and higher.

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
S-201 69.511111.867 MT 13 near VidaMT 200 in Fairview 01952-07-301952current
S-202 2.6624.284 MT 23 near SidneyMcKenzie County Rt. 38 near Sidney 01977-03-211977current
S-203 11.98319.285 S-269 north of StevensvilleUS 93 in Florence 01976-03-211976current
S-204 1.5962.569 Milk River near DodsonUS 2 in Dodson 01993-11-031993current
S-205 24.36139.205 I-90 at Three ForksS-411 near Bozeman 01993-11-031993current
S-206 9.74115.677 MT 35 east of EvergreenUS 2 near Columbia Falls 01926-01-011926current
S-207 21.86235.183 US 87/MT 3/MT 200 near MoccasinMT 81 in Denton 01993-11-031993current Original S-207 was Lower Valley Road in Kalispell from Old S-208 (MT 82) to US 93
S-208 9.41215.147 US 191 in Phillips CountyWhitewater 01978-03-021978current Original S-208 is now MT 82
S-209 4.8617.823 MT 35 at BigforkMT 83 near Ferndale 01945-11-071945current
S-210 9.85515.860 MT 200 at MissoulaI-90/US 12 at Clinton 01976-07-011976current
S-211 9.75715.702 Flathead River near RonanUS 93 in Ronan 01945-11-071945current
S-212 17.28527.818 MT 200 near DixonUS 93 near Charlo 01945-11-071945current
S-213 39.51363.590 US 2 in Cut BankHwy 62 at the Port of Del Bonita 01945-11-071945current
S-214 32.82852.832 S-213 near Cut BankI-15 at Sweet Grass 01945-11-071945current
S-215 21.29934.277 S-213 near Cut BankI-15 near Oilmont 01945-11-071945current
S-217 14.08722.671 S-343 near WhitlashS-409 at Whitlash 01976-07-011976current
S-218 29.25347.078 I-15 Bus in ConradS-225 near Tiber Dam 01945-11-071945current
S-219 19.81831.894 US 89 near PendroyI-15 Bus near Conrad 01945-11-041945current
S-220 17.94028.872 S-221 near ChoteauS-219 east of Pendroy 01945-11-071945current
S-221 24.44439.339 US 89 at ChoteauI-15/S-379 near Dutton 01945-11-071945current
S-222 3.5895.776 I-15/S-278 south of DillonI-15 Bus at Dillon 01976-07-011976current
S-223 52.90185.136 US 87/MT 80 near Fort BentonUS 2 in Chester 01945-11-071945current
S-224 18.95030.497 US 2 near Joplin1200 Rd. S near Whitlash 01945-11-071945current
S-225 56.22090.477 US 87 in Great FallsS-366 near Tiber Dam 01945-11-071945current
S-226 14.56023.432 EdenUS 87/US 89/MT 3 in Great Falls 01945-11-071945current
S-227 16.75626.966 S-226 near EdenUS 87/US 89/MT 3/MT 200 near Great Falls 01945-11-071945current
S-228 42.63368.611 US 87/US 89/MT 3/MT 200 near Great FallsMT 80 near Fort Benton 01945-11-071945current
S-229 2.5924.171 Helena city limitsS-279 near Helena 01976-07-011976current
S-231 5.6749.131 US 12 in HelenaS-279 near Helena 01983-02-241983current
S-232 42.78468.854 US 2 in HavreAB 41 at the Port of Wild Horse 01945-11-071945current
S-233 30.48249.056 S-232 near HavreSK 21 at the Port of Willow Creek 01945-11-071945current
S-234 21.66234.862 Rocky Boys Indian ReservationUS 2 in Havre 01945-11-071945current
S-235 5.6109.028 MT 85 near BozemanS-412 in Bozeman 01983-09-191983current
S-236 88.235142.000 US 191 at HilgerUS 87 at Big Sandy 01945-11-071945current
S-238 68.888110.864 US 2 in RyegateUS 89/MT 200 in Lewistown 01945-11-071945current
S-239 11.66618.775 UticaUS 87/MT 3/MT 200 in Hobson 01946-10-251946current
S-240 25.33340.770 ClevelandUS 2 in Chinook 01945-11-071945current
S-241 43.22069.556 US 2 at HarlemSK 37 at the Port of Turner 01945-11-071945current
S-243 21.18534.094 US 2 near Bowdoin NWRUS 2 in Saco 01945-11-071945current
S-244 24.70239.754 US 87 north of RoundupMT 200 in Winnett 01945-11-071945current
S-245 37.82660.875 BrusettMT 200 in Jordan 01945-11-071945current
S-246 11.54818.585 TampicoMT 42 in Glasgow 01945-11-071945current
S-247 6.26010.074 S-322 near Mill IronWebster 01983-11-091983current Old S-247 ran from Port of Opheim to Glasgow
S-248 46.13474.245 MT 24 in OpheimMT 13 in Scobey 01945-11-071945current Old route of MT 5
S-249 11.77518.950 MT 287 near EnnisUS 287 near Cameron 01984-08-291984current Old S-249 ran from Nashua to Fort Peck in 1960's, now MT 117)
S-250 49.41679.527 US 2 near Wolf PointMT 13 near Volt 01946-10-251946current
S-251 52.10983.861 US 2 near PoplarMT 5/MT 511 near Flaxville 01945-11-071945current
S-252 23.43837.720 MT 200 near CircleHorse Creek 01945-11-071945current
S-253 46.91375.499 I-94 in TerryMT 200 in Brockway 01945-11-071945current
S-254 67.705108.961 MT 16 in GlendiveMT 13 near Vida 01945-11-071945current
S-255 24.93640.131 US 2 in RudyardGoldstone 01984-08-291984current
S-257 5.7729.289 I-90 in SuperiorTrout Creek 01952-11-211952current
S-258 19.80031.865 MT 16 in ReserveND 50 at North Dakota border 01945-11-071945current
S-259 10.07316.211 S-360 near White Sulphur SpringsUS 89 at Newlan Creek 01984-08-291984current
S-260 3.5775.757 Bobtail Rd. near LibbyS-567 near Libby 01986-03-281986current
S-261 51.44682.794 I-90 in WibauxMT 23 in Sidney 01945-11-071945current Former MT 7
S-263 14.78623.796 I-90 in FrenchtownUS 93 in Missoula 01945-11-071945current
S-269 21.28434.253 US 93/S-531 in HamiltonUS 93 in Stevensville 01945-11-071945current
S-271 22.31935.919 I-90 in DrummondMT 141 near Helmville 01945-11-071945current
S-272 2.0243.257 Montana State PrisonS-275 in Deer Lodge 01987-12-011987current Old S-272 connected Helmville to Avon, now MT 141
S-273 12.18119.603 MT 48 near OpportunityI-90 in Galen 01945-11-071945current
S-275 3.0454.900 I-90 in Deer LodgeI-90 near Deer Lodge 01987-12-011987current
S-276 7.86312.654 I-90 near RockerRocker 01945-11-071945current
S-277 33.55654.003 US 212 in HammondS-323 near Ridgeway 01952-01-011952current
S-278 61.09298.318 MT 43 in WisdomI-15/S-222 in Dillon 01945-11-071945current
S-279 38.96562.708 I-15/US 287/S-453 in HelenaMT 200 near Flecher Pass 01945-11-071945current
S-280 16.05025.830 I-15 in HelenaTrout Creek Canyon 01945-11-071945current
S-282 3.5755.753 Jack MountainI-15/S-518 near Montana City 01987-10-221987current
S-283 6.43410.355 PonyUS 287 in Harrison 01987-10-221987current
S-284 42.07367.710 US 12/US 287 near Canyon FerryUS 12 near Townsend 01947-11-051947current
S-285 9.37115.081 RadersburgUS 287 in Toston 01945-11-071945current
S-286 3.9306.325 S-205 near Three ForksTrident 01945-11-071945current
S-288 16.17626.033 S-347 in AmsterdamI-90/S-346 in Manhattan 01945-11-071945current
S-290 16.24726.147 S-205 in Belgrade16 Mile Creek near Maudlow 01945-11-071945current
S-292 8.78914.145 S-548 in EvergreenMT 40 near Whitefish 01996-02-071996current
S-294 29.16946.943 US 89 near Horse ButteUS 12 near Martinsdale 01945-11-071945current
S-295 16.37926.359 I-90 near LivingstonI-90 near Mission 01945-11-071945current
S-297 37.81860.862 US 12/MT 3 in ShawmutMT 3 in Judith Gap 01945-11-071945current
S-298 25.65541.288 Boulder Ranger StationUS 191 in Big Timber 01945-11-071945current
S-300 13.34121.470 Big Coolie CreekUS 12/MT 3/S-238 in Ryegate 01945-11-071945current
S-302 14.32223.049 MoltMT 3 in Billings 01945-11-071945current
S-306 25.27340.673 MT 78 in ColumbusRapelje 01945-11-071945current
S-308 14.38323.147 US 212 in Red LodgeMT 72 in Belfry 01945-11-071945current Original route extended east to Bridger, now part of MT 72
S-310 41.34866.543 I-94 in CusterUS 12 near Musselshell 01945-11-071945current
S-311 25.91541.706 S-310 in MyersI-94 in Hysham 01945-11-071945current
S-313 38.58862.101 Fort SmithMT 47 in Hardin 01945-11-071945current
S-314 44.34271.362 WY 338 near DeckerUS 212 near Busby 01946-10-251946current
S-320 6.0709.769 US 12 near PlevnaIsmay 01945-11-071945current
S-322 26.90843.304 Medicine RocksMT 7 near Baker 01945-11-071945current
S-323 71.126114.466 US 212/S-326 in AlzadaMT 7 in Ekalaka 01945-11-071945current
S-324 34.42955.408 ID 29 at Bannock PassI-15 near Clark Canyon Dam 01945-11-071945current
S-325 13.35321.490 US 2 in ChinookNorth Chinook Reservoir 01946-05-201946current
S-326 1.6832.709 WY 112 near AlzadaUS 212/S-323 in Alzada 01990-02-271990current Old S-326 was near Bigfork
S-327 15.04324.209 ND 1804 at Fort UnionUS 2 Bainville 01953-08-101953current
S-328 18.84330.325 S-323 near EkalakaSD 20 near Capitol 01994-10-131994current Old S-328 ran from Broadview to xx
S-330 36.92459.423 MT 68 in CascadeI-15 in Ulm 01945-11-071945current
S-331 10.07216.209 US 87/US 89 in BeltS-228 near Highwood 01945-11-071945current
S-332 50.39181.096 S-447 near BrandenburgMT 59 near Twelve Mile Dam 01945-11-071945current
S-334 3.7606.051 Beaver Creek ReservoirUS 87 in Laredo 01994-09-011994current Old S-334ran from Port of Scobey to Scobey (now part of MT 13
S-335 14.59823.493 Balier ReservoirI-94 in Glendive 01945-11-071945current
S-336 14.59523.488 MT 7 near Rush HallND 16 near Carlyle 01945-11-071945current
S-338 21.55834.694 S-241 near HarlemHogeland 01954-01-291954current
S-340 18.50129.774 MildredI-94 in Fallon 01954-01-291954current
S-341 21.93035.293 MT 200 near JordanFort Peck Lake 01954-05-151954current
S-342 0.8591.382 U.S. Route 212 near Crow AgencyLittle Big Horn Battlefield 01954-12-131954current
S-343 43.22769.567 I-15/S-215 in OilmontUS 2 near Galata 01954-03-261954current
S-344 35.64857.370 US 2 in BrocktonMT 16 in Froid 01954-03-261954current
S-345 12.03619.370 US 191 in Gallatin GatewayKagy Blvd. in Bozeman 01951-10-311951current
S-346 7.97512.835 I-90/S-288 in Manhattan to S-290Four Corners 01946-10-251946current
S-347 6.22610.020 S-288 in AmsterdamMT 85 in Belgrade 01945-11-071945current
S-348 13.97422.489 GillesMT 1 in Philipsburg 02945-11-072945current
S-350 5.4878.830 HomesteadMT 16 near Medicine Lake 01954-05-061954current
S-352 5.0938.196 US 93 in DaytonLake Mary Ronan 01945-11-071945current
S-357 26.80043.130 Ruby River ReservoirMT 287 in Alder 01945-11-071945current
S-358 27.83844.801 MT 44 in ValierUS 2 in Cut Bank 01954-09-011954current
S-359 15.96425.692 MT 2/MT 69 in HarrisonMT 2 in Cardwell 01945-11-071945current
S-360 18.21729.317 Fort LoganUS 12/US 89 in White Sulphur Springs 01945-11-071945current
S-363 11.20318.029 US 2 in DodsonUS 191 in Malta 01945-11-071945current
S-365 24.23138.996 BradyS-225 near Carter 01945-11-071945current
S-366 49.24579.252 I-15 near LedgerS-223 near Chester 01945-11-071945current
S-370 1.9543.145 US 93 near VictorS-203 near Stevensville 01945-11-071945current
S-373 4.5297.289 US 93 in WoodsideCorvallis 01945-11-071945current
S-374 6.50310.466 MT 5 in ArcherOutlook 01945-11-071945current
S-379 18.00828.981 I-15/S-221 near DuttonS-225 near Carter 01945-11-071945current
S-381 16.37026.345 Colding CreekUS 12 near Roundup 01945-11-071945current
S-382 15.70325.272 MT 28 near Hot SpringsMT 200 in Perma 01945-11-071945current
S-384 57.05291.816 MT 47 in HardinI-94 near Sanders 01945-11-071945current
S-386 1.5342.469 US 87 in KershawMT 80 in Fort Benton 01945-11-071945current
S-387 2.6464.258 MT 80 in Fort BentonUS 87 in Loma 01945-11-071945current
S-391 16.56326.656 YargerUS 212/MT 59 in Broadus 01945-11-071945current
S-393 6.59410.612 NewcombMT 2 in Butte 01945-11-071945current
S-396 16.90827.211 S-211 in HarlemCoburg 01946-10-251946current former routing of US 2
S-398 7.00911.280 US 212/MT 59 in BroadusPowderville 02000-05-252000current
S-399 25.22840.601 I-90/MT 55 in WhitetailMT 69 in Boulder 01946-10-251946current
S-400 12.33519.851 BuffaloS-239 near Hobson 01946-10-251946current
S-401 7.90312.719 S-532 near LaurelS-302 near Molt 01987-10-131987current An older S-401 was replaced by MT 55
S-405 28.37145.659 US 2 near BainvilleMT 16 in Froid 01946-10-251946current
S-408 19.56831.492 US 287 near GilmanUS 89 in Fairfield 01946-10-251946current
S-409 40.49965.177 US 2 in ChesterAB 880 near Whitlash 01946-10-251946current
S-411 10.74417.291 S-205/S-570 in Bozeman toSpringhill Cemetery 01946-10-251946current
S-413 24.70939.765 MT 7 near CarlyleMT 7 near Saint Phillip 01948-07-301948current
S-416 14.11322.713 S-418 near PryorI-90/US 212 in Billings 01950-03-201950current
S-417 16.53026.602 S-366 near LedgerU.S. Route 2 near Shelby 01950-07-031950current
S-418 16.12425.949 S-416 near PryorPryor 02000-01-272000current
S-419 21.25434.205 LimestoneMT 78 near Absarokee 01951-03-271951current
S-420 6.92911.151 S-419 in NyeMT 78 near Absarokee 01951-01-161951current
S-421 18.16729.237 MT 78 near ColumbusUS 212 near Joliet 01951-01-161951current
S-422 8.52113.713 MT 41 in Silver StarMT 55 near Waterloo 01951-01-161951current
S-424 17.10827.533 US 93 in KalispellUS 93 west of Whitefish 01976-12-281976current
S-426 26.57342.765 US 87/MT 3/MT 200 near KolinUS 191 in [Lewistown, Montana 01951-12-281951current
S-427 12.31919.826 US 89 at Currie SpringUS 87/MT 3/MT 200 in Raynesford 01951-12-281951current
S-430 3.8026.119 S-280 in HelenaS-284 near Canyon Creek 01987-07-281987current
S-431 19.99932.185 US 89/S-565 near FairfieldI-15 in Power 01955-11-231955current
S-432 46.93275.530 US 2 in RudyardUS 287/S-223 in Big Sandy 01955-12-021955current
S-434 18.03229.020 I-15 near Wolf CreekMT 200 near Johnson Mountain 01955-12-021955current
S-435 15.36124.721 US 287 in AugustaJohnson Mountain 01987-07-281987current
S-437 8.89514.315 S-285 near RadersburgUS 287 Toston 01956-05-041956current
S-438 52.46584.434 US 2 in NashuaS-248 nearGlentana 01955-11-231955current
S-441 7.82912.600 I-90 near GregsonMT 1 near Opportunity 01956-02-091956current
S-444 19.77331.822 US 2 near BlackfootMontana Secondary Highway 213 near Bonita 01956-07-311956current
S-446 2.7784.471 I-94/S-446 in RosebudUS 212 in Ashland 01956-05-171956current
S-447 52.47884.455 US 212 in AshlandI-94/S-446 in Rosebud 01956-05-171956current
S-448 30.10848.454 US 87 in Box ElderUS 2/S-449 Gildford 01955-12-051955current
S-449 16.59026.699 US 2/S-448 in GildfordMilk River 01955-12-071955current
S-451 38.04761.231 WY 345 south of WyolaI-90/US 87 01988-02-261988current was US 87
S-453 5.1218.241 I-15/US 287/S-279 in HelenaLake Helena 01955-02-201955current
S-454 3.3305.359 UnionvilleUS 12 in Helena 01955-02-201955current
S-457 1.5062.424 S-451 in WyolaI-90/US 87 near Wyola 01988-02-281988current
S-462 38.46461.902 MT 59 in Rock SpringsMT 200 near Brockway 01956-12-071956current
S-463 14.20222.856 Willow Creek DamI-90 in Lodge Grass 01957-03-081957current
S-464 33.67154.188 US 2/US 89 in BrowningUS 89 in Babb 01957-06-281957current
S-466 2.1603.476 Hansons Creek Rd. near LewistownS-238 near Lewistown 01956-11-071956current
S-467 31.74551.089 MT 200S in LindsayMT 200 in Circle 01957-03-271957current
S-470 24.03238.676 MT 200S in LindsayS-254 in Bloomfield 01957-03-271957current
S-471 22.06935.517 NFS Route 9 at ID border near Thompson FallsMT 200 near Thompson Falls 01957-01-291957current
S-472 23.36637.604 MT 200 near Trout CreekMT 200 near Thompson Falls 01993-11-061993current Former routing of MT 200
S-473 14.39423.165 Painted Rocks SPUS 93 near Conner 01957-05-211957current
S-474 3.8596.210 S-263 near FrenchtownI-90/US 93/MT 200 in Wye 01957-06-271957current
S-478 21.99535.398 US 191 near Big TimberStephens Hill Rd. near Rapelje 01957-09-231957current
S-480 19.69631.698 S-201 near RicheyUS 2 in Sprole 01957-12-051957current
S-482 7.17611.549 US 2 near Libby CreekUS 2 near Libby 01958-03-051958current
S-484 27.86344.841 Fort HoweUS 212 near Ashland 01958-09-031958current
S-486 22.64636.445 US 2 Columbia FallsCamas Creek entrance of Glacier National Park 01958-09-161958current
S-487 7.22311.624 US 93 in WhitefishWhitefish Mountain Resort at Big Mountain 01958-09-161958current
S-489 18.00628.978 MT 59 near Miles CityKinsey 01985-02-191985current
S-493 4.8777.849 MT 7 near BakerAnticline Rd. near Plevna 01959-05-141959current
S-494 22.74336.601 MT 7 in WillardUS 12 in Plevna 01959-05-141959current
S-500 30.40748.935 US 12 near MelstoneMT 200 in Mosby 01960-03-081960current
S-503 12.16619.579 US 93A near KalispellUS 2 in Kalispell 01960-11-031960current
S-504 12.84720.675 S-340 in MarshCabin Creek 01960-12-131960current
S-507 2.5334.076 I-90 in AlbertonI-90 near Huson 01961-07-071961current
S-508 29.27247.109 US 2 near TroyS-567 in Yaak 01961-09-121961current
S-509 37.49960.349 I-15 in MonidaRed Rock Lakes NWR 01961-09-121961current
S-511 13.79022.193 MT 5/S-251 in FlaxvilleWhitetail 01962-01-041962current Was MT 13, formerly ended at SK 34 until Port of Whitetail closed
S-512 13.79022.193 MT 1/S-513 in HallNew Chicago Rd. near Hall 01962-01-151962current
S-513 9.66315.551 Lower Willow Creek Rd. near HallMT 1/S-512 in Hall 01962-01-151962current
S-516 6.0089.669 S-258 near DagmarS-517 in Coalridge 01961-12-161961current Old S-516 ran from US 2 to Katy Lake
S-517 12.29119.780 MT 16 near AntelopeS-516 in Coalridge 01961-12-161961current
S-518 4.4687.191 I-15/S-282 in Montana CityUS 12/US 287 in East Helena 01961-11-281961current
S-522 2.3683.811 I-94 in HuntleyWorden 01962-08-231962current
S-528 18.70330.100 Prairie Elk Rd. near OswegoMT 13 near Macon 01998-07-291998current
S-529 9.95916.027 Clear Creek Rd. near ChinookS-240 in Chinook 01963-09-191963current
S-531 6.30810.152 US 93 in GrantsdaleUS 93/S-269 in Hamilton 01963-10-071963current
S-532 17.62828.370 I-90/US 212/US 310 in LaurelI-90/US 212 in Billings 01964-02-171964current
S-534 27.89444.891 US 89 in DupuyerS-218 in Conrad 01964-06-111964current
S-537 23.12637.218 US 2 in HinsdaleSnake Creek Rd. near Hinsdale 01965-03-011965current
S-540 31.85951.272 US 89 near MinerUS 89 near Pine Creek 01966-02-251966current
S-541 10.69117.205 S-239 UticaUS 87/MT 3/MT 200 in Windham 01966-11-071966current
S-543 24.16038.882 MT 200 in JordanHell Creek SP 01967-02-141967current
S-544 32.93753.007 MT 59 in BiddleUS 212 in Boyes 01968-04-221968current
S-547 6.47710.424 MT 81 in DentonBear Springs Rd. near Denton 01969-06-231969current
S-548 6.52110.495 US 93 near WhitefishUS 2 in Kalispell 01969-09-021969current
S-551 6.51510.485 US 87/MT 3/MT 200 in GeyserBraun Creek Rd. near Geyser 01971-06-081971current
S-552 33.09053.253 I-15 at SunburstS-343 near Whitlash 01973-12-211973current
S-556 44.20071.133 MT 200 near SniderUS 2 near Happy's Inn 01971-07-261971current
S-559 3.1185.018 US 93/MT 200 near ArleeJocko Canyon Rd. near Arlee 01973-05-071973current
S-564 24.99240.221 US 87 in CarterS-223 near Loma 01975-10-061975current
S-565 7.13411.481 MT 200 in SimmsU.S. 89/S-441 near Fairfield 01975-10-071975current
S-566 51.83583.420 S-314 near Tongue River Reservoir SPUS 212 in Ashland 01975-10-301975current
S-567 35.94357.845 MT 37 in LibbyS-508 in Yaak 01994-03-151994current
S-568 2.6734.302 I-94 near Pompeys PillarPompeys Pillar 01976-07-061976current
S-569 22.02035.438 MT 43 near Wise RiverMT 1 near Opportunity 02001-03-292001current
S-571 1.1681.880 US 89 in EmigrantS-540 near Emigrant 02001-06-012001current
S-572 1.7502.816 S-540 near EmigrantChico Hot Springs 02001-06-012001current
S-573 14.87023.931 MT 16 in Medicine LakeKaty Lake 02001-06-012001current
S-574 10.97017.655 I-90 in HusonUS 93/MT 200 near Wye 02006-01-252006current
  •       Former

Former highways

See also

  • Montana portal
  • U.S. Roads portal

References

  1. Montana Department of Transportation (2013). "Montana Road Log" (PDF). Helena: Montana Department of Transportation. Retrieved March 6, 2017.
  2. "Montana Off System Routes" (GIS data). Montana Department of Transportation. Retrieved April 8, 2017.
  3. Montana State Highway Commission (1960). State Highway Map (PDF) (Map). Montana State Highway Commission. Retrieved February 14, 2015.
  4. "Federal-Aid Road Log" (PDF). Helena, Montana: Montana Highway Department. January 1, 1943. Retrieved 5 May 2017 via Archive.org.
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