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List of state highways in Montana

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This is an old revision of this page, as edited by Mrbobmac (talk | contribs) at 05:25, 9 July 2018 (→‎Primary state highways: Added note to MT 43 description.). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Montana Highway System

Montana Highway 200 marker

Secondary 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
InterstatesInterstate n (I-n)
US HighwaysU.S. Highway n (US 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 63.652 102.438 I-90 in Opportunity I-90 in Drummond 01922-01-011922 current
MT 2 63.241 101.777 I-90 in Butte I-90 in Three Forks — —
File:MT-3 (1926).svg MT 3 — — Idaho border near Heron US 93 in Ravalli — — Replaced by MT 200
MT 3 221.770 356.904 I-90 in Billings I-15 and US 89 in Great Falls — —
File:MT-4 (1926).svg MT 4 24 39 Idaho state line MT 3 in Thompson Falls — — Replaced by Forest Service Road NF-7623 and S-471
MT 5 65.573 105.530 MT 13 in Scobey ND 5 in Westby — —
File:MT-6 (1926).svg MT 6 — — US 10 Alternate in Townsend US 10 in Forsyth — — Replaced by US 12
MT 7 80.585 129.689 S-323 in Ekalaka I-94 in Wibaux 01930-01-011930 current
File:MT-8 (1926).svg MT 8 — — US 87 in Crow Agency MT 22 near Olive — — Replaced by US 212
File:MT-9 (1926).svg MT 9 — — Lolo Pass US 93 at Lolo — — Replaced by US 12
File:MT-11 (1926).svg MT 11 — — US 89 in Vaughn Alberta border at Sweetgrass — 01934-01-011934 Replaced by US 91
MT 13 112.507 181.062 MT 200 in Circle Hwy 36 at the Saskatchewan border — —
File:MT-14 (1926).svg MT 14 — — US 10 at Glendive North Dakota border at Fairview — — Replaced by MT 16 and MT 200
File:MT-15 (1926).svg MT 15 — — US 87 in Stanford US 2 in Chester — — Replaced by MT 80 and S-223
MT 16 152.371 245.217 I-94 Bus. in Glendive Hwy 6 at the Saskatchewan border — —
MT 17 14.082 22.663 US 89 near Kennedy Creek Hwy 6 at the Alberta border — —
File:MT-18 (1926).svg MT 18 — — US 87 in Grass Range US 10 / MT 14 in Glendive — — Replaced by MT 200 and MT 200S
File:MT-19 (1926).svg MT 19 — — US 10 in Big Timber US 2 / MT 39 in Malta — — Replaced by US 191
MT 19 21.482 34.572 US 87 and MT 200 near Grass Range US 191 near Roy — —
File:MT-20 (1926).svg MT 20 — — US 10 in Bonner US 89 near Great Falls — — Replaced by MT 200
MT 21 20.776 33.436 US 287 near Augusta MT 200 in Simms — —
File:MT-22 (1926).svg MT 22 — — Wyoming border at Alzada Saskatchewan border at Port of Ophiem — — Replaced by US 212, MT 59, S-341, and MT 24
MT 23 7.527 12.114 MT 16 and MT 200 near Sidney ND 68 at the North Dakota border — —
File:MT-24 (1926).svg MT 24 58 93 MT 37 at Jennings US 2 in Marion — —
MT 24 134.098 215.810 MT 200 near Brockway Hwy 2 at the Saskatchewan border — —
MT 25 5.797 9.329 US 2 in Wolf Point MT 13 in Bridge Park — —
File:MT-26 (1926).svg MT 26 — — MT 3 in Trout Creek US 2 in Kootenai National Forest — —
File:MT-27 (1926).svg MT 27 — — MT 19 in Winifred MT 29 in Big Sandy — — Replaced by S-226
MT 28 46.734 75.211 MT 200 near Plains US 93 in Elmo — —
File:MT-29 (1926).svg MT 29 — — US 87 / US 89 in Great Falls Port of Wildhorse — — Replaced by US 87
File:MT-30 (1926).svg MT 30 — — US 12 near Miles City South Dakota border near Mill Iron — —
File:MT-31 (1926).svg MT 31 — — US 10 in Drummond MT 35 near Bigfork — — Replaced by S-271 and MT 83
File:MT-32 (1926).svg MT 32 — — Yellowstone National Park at Silver Gate US 310 at Rockvale — — Replaced by US 212
File:MT-33 (1926).svg MT 33 — — US 91 / MT 20 in Wolf Creek US 89 in Choteau — — Replaced by US 287
File:MT-34 (1926).svg MT 34 — — MT 41 in Twin Bridges MT 287 in Ennis — — Replaced by MT 287
MT 35 50.669 81.544 US 93 in Polson US 2 in Evergreen — —
File:MT-36 (1926).svg MT 36 — — US 93 near Gibbons Pass US 91 in Dillon — — Replaced by MT 43 and S-278
MT 37 67.048 107.903 US 2 in Libby US 93 in Eureka — —
MT 38 53.835 86.639 US 93 in Grantsdale MT 1 in Porters Corner 01924-01-011924 current Skalkaho Highway
MT 39 51.163 82.339 US 212 in Lame Deer North of I-94 near Forsyth — —
MT 40 4.505 7.250 US 93 south of Whitefish US 2 west of Columbia Falls — —
MT 41 54.512 87.729 I-15 Bus. in Dillon MT 2 in Vendome Station — —
MT 42 2.892 4.654 MT 24 south of Glasgow US 2 in Glasgow — —
MT 43 77.462 124.663 US 93 at Lost Trail Pass I-15 near Divide — — Last mile near western terminus with US 93 is in Idaho.
MT 44 28.390 45.689 US 93 north of Dupuyer I-15 east of Valier — —
File:MT-45 (1926).svg MT 45 — — MT 8 in Lame Deer US 10 in Forsyth — — Replaced by MT 39
MT 47 31.437 50.593 I-90 in Hardin I-94 east of Custer — —
MT 48 6.839 11.006 MT 1 near Anaconda I-90 near Warm Springs — —
MT 49 11.734 18.884 US 2 in East Glacier Park US 89 north of Kiowa — —
File:MT-50 (1926).svg MT 50 — — Idaho border at Raynolds Pass US 287 west of Lake Hebgen — — Replaced by MT 87
MT 55 12.996 20.915 MT 41 north of Silver Star I-90 at Whitehall — —
MT 56 34.646 55.757 MT 200 west of Noxon US 2 east of Troy — —
MT 59 195.389 314.448 WYO 59 at the Wyoming border MT 200 at Jordan — —
MT 64 9.039 14.547 Big Sky Resort US 191 near Big Sky Resort — —
MT 66 50.022 80.503 US 191 south of Landusky US 2 at Fort Belknap — —
MT 69 38.395 61.791 MT 55 at Whitehall I-15 at Boulder — —
MT 72 21.408 34.453 WYO 120 at the Wyoming border US 310 south of Bridger — —
MT 78 47.714 76.788 US 212 at Red Lodge I-90 at Columbus — —
MT 80 67.172 108.103 US 87 at Stanford US 87 at Fort Benton — —
MT 81 42.446 68.310 MT 80 near Coffee Creek US 191 at Brooks — —
MT 82 6.862 11.043 US 93 north of Somers MT 82 north of Bigfork 01978-01-011978 current
MT 83 91.118 146.640 MT 200 at Clearwater Junction MT 35 north of Bigfork 01978-01-011978 current
MT 84 28.904 46.516 US 287 in Norris US 191 / MT 85 near Four Corners — —
MT 85 6.704 10.789 US 191 / MT 84 near Four Corners I-90 at Belgrade — —
MT 86 37.498 60.347 US 191 / I-90 Bus. in Bozeman US 89 near Wilsall — —
MT 87 8.571 13.794 SH-87 at the Idaho border US 287 west of Quake Lake 01987-01-011987 current
File:MT-110 (1926).svg MT 110 — — US 10 near Opportunity US 10 in Drummond — — Replaced by US 10 Alternate
MT 117 13.138 21.144 MT 24 at Fort Peck US 2 at Nashua — —
MT 135 21.549 34.680 I-90 at St. Regis MT 200 near Paradise — —
MT 141 32.468 52.252 US 12 at Avon MT 200 north of Helmville — —
File:MT-187 (1926).svg MT 187 — — US 10 in Bozeman US 89 in Wilsall — — Replaced by MT 86
File:MT-191 (1926).svg MT 191 — — US 191 near Grayling US 10 near Sappington — — Replaced by US 287
MT 200 706.624 1,137.201 SH-200 at the Idaho border ND 200 at Fairview 01967-01-011967 current
MT 200S 48.674 78.333 MT 200 east of Circle US 10 / I-94 Bus. in Glendive — —
MT 287 48.822 78.571 MT 41 at Twin Bridges US 287 at Ennis — —
File:MT-789 (1948).svg MT 789 — — Wyoming border south of Warren Alberta border at Sweetgrass — — Part of US 789 corridor

Secondary state highways

Main article: List of secondary highways in Montana
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 69.511 111.867 MT 13 near Vida MT 200 in Fairview 01952-07-301952 current
S-202 2.662 4.284 MT 23 near Sidney McKenzie County Rt. 38 near Sidney 01977-03-211977 current
S-203 11.983 19.285 S-269 north of Stevensville US 93 in Florence 01976-03-211976 current
S-204 1.596 2.569 Milk River near Dodson US 2 in Dodson 01993-11-031993 current
S-205 24.361 39.205 I-90 at Three Forks S-411 near Bozeman 01993-11-031993 current
S-206 9.741 15.677 MT 35 east of Evergreen US 2 near Columbia Falls 01926-01-011926 current
S-207 21.862 35.183 US 87/MT 3/MT 200 near Moccasin MT 81 in Denton 01993-11-031993 current Original S-207 was Lower Valley Road in Kalispell from Old S-208 (MT 82) to US 93
S-208 9.412 15.147 US 191 in Phillips County Whitewater 01978-03-021978 current Original S-208 is now MT 82
S-209 4.861 7.823 MT 35 at Bigfork MT 83 near Ferndale 01945-11-071945 current
S-210 9.855 15.860 MT 200 at Missoula I-90/US 12 at Clinton 01976-07-011976 current
S-211 9.757 15.702 Flathead River near Ronan US 93 in Ronan 01945-11-071945 current
S-212 17.285 27.818 MT 200 near Dixon US 93 near Charlo 01945-11-071945 current
S-213 39.513 63.590 US 2 in Cut Bank Hwy 62 at the Port of Del Bonita 01945-11-071945 current
S-214 32.828 52.832 S-213 near Cut Bank I-15 at Sweet Grass 01945-11-071945 current
S-215 21.299 34.277 S-213 near Cut Bank I-15 near Oilmont 01945-11-071945 current
S-217 14.087 22.671 S-343 near Whitlash S-409 at Whitlash 01976-07-011976 current
S-218 29.253 47.078 I-15 Bus in Conrad S-225 near Tiber Dam 01945-11-071945 current
S-219 19.818 31.894 US 89 near Pendroy I-15 Bus near Conrad 01945-11-041945 current
S-220 17.940 28.872 S-221 near Choteau S-219 east of Pendroy 01945-11-071945 current
S-221 24.444 39.339 US 89 at Choteau I-15/S-379 near Dutton 01945-11-071945 current
S-222 3.589 5.776 I-15/S-278 south of Dillon I-15 Bus at Dillon 01976-07-011976 current
S-223 52.901 85.136 US 87/MT 80 near Fort Benton US 2 in Chester 01945-11-071945 current
S-224 18.950 30.497 US 2 near Joplin 1200 Rd. S near Whitlash 01945-11-071945 current
S-225 56.220 90.477 US 87 in Great Falls S-366 near Tiber Dam 01945-11-071945 current
S-226 14.560 23.432 Eden US 87/US 89/MT 3 in Great Falls 01945-11-071945 current
S-227 16.756 26.966 S-226 near Eden US 87/US 89/MT 3/MT 200 near Great Falls 01945-11-071945 current
S-228 42.633 68.611 US 87/US 89/MT 3/MT 200 near Great Falls MT 80 near Fort Benton 01945-11-071945 current
S-229 2.592 4.171 Helena city limits S-279 near Helena 01976-07-011976 current
S-231 5.674 9.131 US 12 in Helena S-279 near Helena 01983-02-241983 current
S-232 42.784 68.854 US 2 in Havre AB 41 at the Port of Wild Horse 01945-11-071945 current
S-233 30.482 49.056 S-232 near Havre SK 21 at the Port of Willow Creek 01945-11-071945 current
S-234 21.662 34.862 Rocky Boys Indian Reservation US 2 in Havre 01945-11-071945 current
S-235 5.610 9.028 MT 85 near Bozeman S-412 in Bozeman 01983-09-191983 current
S-236 88.235 142.000 US 191 at Hilger US 87 at Big Sandy 01945-11-071945 current
S-238 68.888 110.864 US 2 in Ryegate US 89/MT 200 in Lewistown 01945-11-071945 current
S-239 11.666 18.775 Utica US 87/MT 3/MT 200 in Hobson 01946-10-251946 current
S-240 25.333 40.770 Cleveland US 2 in Chinook 01945-11-071945 current
S-241 43.220 69.556 US 2 at Harlem SK 37 at the Port of Turner 01945-11-071945 current
S-243 21.185 34.094 US 2 near Bowdoin NWR US 2 in Saco 01945-11-071945 current
S-244 24.702 39.754 US 87 north of Roundup MT 200 in Winnett 01945-11-071945 current
S-245 37.826 60.875 Brusett MT 200 in Jordan 01945-11-071945 current
S-246 11.548 18.585 Tampico MT 42 in Glasgow 01945-11-071945 current
S-247 6.260 10.074 S-322 near Mill Iron Webster 01983-11-091983 current Old S-247 ran from Port of Opheim to Glasgow
S-248 46.134 74.245 MT 24 in Opheim MT 13 in Scobey 01945-11-071945 current Old route of MT 5
S-249 11.775 18.950 MT 287 near Ennis US 287 near Cameron 01984-08-291984 current Old S-249 ran from Nashua to Fort Peck in 1960's, now MT 117)
S-250 49.416 79.527 US 2 near Wolf Point MT 13 near Volt 01946-10-251946 current
S-251 52.109 83.861 US 2 near Poplar MT 5/MT 511 near Flaxville 01945-11-071945 current
S-252 23.438 37.720 MT 200 near Circle Horse Creek 01945-11-071945 current
S-253 46.913 75.499 I-94 in Terry MT 200 in Brockway 01945-11-071945 current
S-254 67.705 108.961 MT 16 in Glendive MT 13 near Vida 01945-11-071945 current
S-255 24.936 40.131 US 2 in Rudyard Goldstone 01984-08-291984 current
S-257 5.772 9.289 I-90 in Superior Trout Creek 01952-11-211952 current
S-258 19.800 31.865 MT 16 in Reserve ND 50 at North Dakota border 01945-11-071945 current
S-259 10.073 16.211 S-360 near White Sulphur Springs US 89 at Newlan Creek 01984-08-291984 current
S-260 3.577 5.757 Bobtail Rd. near Libby S-567 near Libby 01986-03-281986 current
S-261 51.446 82.794 I-90 in Wibaux MT 23 in Sidney 01945-11-071945 current Former MT 7
S-263 14.786 23.796 I-90 in Frenchtown US 93 in Missoula 01945-11-071945 current
S-269 21.284 34.253 US 93/S-531 in Hamilton US 93 in Stevensville 01945-11-071945 current
S-271 22.319 35.919 I-90 in Drummond MT 141 near Helmville 01945-11-071945 current
S-272 2.024 3.257 Montana State Prison S-275 in Deer Lodge 01987-12-011987 current Old S-272 connected Helmville to Avon, now MT 141
S-273 12.181 19.603 MT 48 near Opportunity I-90 in Galen 01945-11-071945 current
S-275 3.045 4.900 I-90 in Deer Lodge I-90 near Deer Lodge 01987-12-011987 current
S-276 7.863 12.654 I-90 near Rocker Rocker 01945-11-071945 current
S-277 33.556 54.003 US 212 in Hammond S-323 near Ridgeway 01952-01-011952 current
S-278 61.092 98.318 MT 43 in Wisdom I-15/S-222 in Dillon 01945-11-071945 current
S-279 38.965 62.708 I-15/US 287/S-453 in Helena MT 200 near Flecher Pass 01945-11-071945 current
S-280 16.050 25.830 I-15 in Helena Trout Creek Canyon 01945-11-071945 current
S-282 3.575 5.753 Jack Mountain I-15/S-518 near Montana City 01987-10-221987 current
S-283 6.434 10.355 Pony US 287 in Harrison 01987-10-221987 current
S-284 42.073 67.710 US 12/US 287 near Canyon Ferry US 12 near Townsend 01947-11-051947 current
S-285 9.371 15.081 Radersburg US 287 in Toston 01945-11-071945 current
S-286 3.930 6.325 S-205 near Three Forks Trident 01945-11-071945 current
S-288 16.176 26.033 S-347 in Amsterdam I-90/S-346 in Manhattan 01945-11-071945 current
S-290 16.247 26.147 S-205 in Belgrade 16 Mile Creek near Maudlow 01945-11-071945 current
S-292 8.789 14.145 S-548 in Evergreen MT 40 near Whitefish 01996-02-071996 current
S-294 29.169 46.943 US 89 near Horse Butte US 12 near Martinsdale 01945-11-071945 current
S-295 16.379 26.359 I-90 near Livingston I-90 near Mission 01945-11-071945 current
S-297 37.818 60.862 US 12/MT 3 in Shawmut MT 3 in Judith Gap 01945-11-071945 current
S-298 25.655 41.288 Boulder Ranger Station US 191 in Big Timber 01945-11-071945 current
S-300 13.341 21.470 Big Coolie Creek US 12/MT 3/S-238 in Ryegate 01945-11-071945 current
S-302 14.322 23.049 Molt MT 3 in Billings 01945-11-071945 current
S-306 25.273 40.673 MT 78 in Columbus Rapelje 01945-11-071945 current
S-308 14.383 23.147 US 212 in Red Lodge MT 72 in Belfry 01945-11-071945 current Original route extended east to Bridger, now part of MT 72
S-310 41.348 66.543 I-94 in Custer US 12 near Musselshell 01945-11-071945 current
S-311 25.915 41.706 S-310 in Myers I-94 in Hysham 01945-11-071945 current
S-313 38.588 62.101 Fort Smith MT 47 in Hardin 01945-11-071945 current
S-314 44.342 71.362 WY 338 near Decker US 212 near Busby 01946-10-251946 current
S-320 6.070 9.769 US 12 near Plevna Ismay 01945-11-071945 current
S-322 26.908 43.304 Medicine Rocks MT 7 near Baker 01945-11-071945 current
S-323 71.126 114.466 US 212/S-326 in Alzada MT 7 in Ekalaka 01945-11-071945 current
S-324 34.429 55.408 ID 29 at Bannock Pass I-15 near Clark Canyon Dam 01945-11-071945 current
S-325 13.353 21.490 US 2 in Chinook North Chinook Reservoir 01946-05-201946 current
S-326 1.683 2.709 WY 112 near Alzada US 212/S-323 in Alzada 01990-02-271990 current Old S-326 was near Bigfork
S-327 15.043 24.209 ND 1804 at Fort Union US 2 Bainville 01953-08-101953 current
S-328 18.843 30.325 S-323 near Ekalaka SD 20 near Capitol 01994-10-131994 current Old S-328 ran from Broadview to xx
S-330 36.924 59.423 MT 68 in Cascade I-15 in Ulm 01945-11-071945 current
S-331 10.072 16.209 US 87/US 89 in Belt S-228 near Highwood 01945-11-071945 current
S-332 50.391 81.096 S-447 near Brandenburg MT 59 near Twelve Mile Dam 01945-11-071945 current
S-334 3.760 6.051 Beaver Creek Reservoir US 87 in Laredo 01994-09-011994 current Old S-334ran from Port of Scobey to Scobey (now part of MT 13
S-335 14.598 23.493 Balier Reservoir I-94 in Glendive 01945-11-071945 current
S-336 14.595 23.488 MT 7 near Rush Hall ND 16 near Carlyle 01945-11-071945 current
S-338 21.558 34.694 S-241 near Harlem Hogeland 01954-01-291954 current
S-340 18.501 29.774 Mildred I-94 in Fallon 01954-01-291954 current
S-341 21.930 35.293 MT 200 near Jordan Fort Peck Lake 01954-05-151954 current
S-342 0.859 1.382 U.S. Route 212 near Crow Agency Little Big Horn Battlefield 01954-12-131954 current
S-343 43.227 69.567 I-15/S-215 in Oilmont US 2 near Galata 01954-03-261954 current
S-344 35.648 57.370 US 2 in Brockton MT 16 in Froid 01954-03-261954 current
S-345 12.036 19.370 US 191 in Gallatin Gateway Kagy Blvd. in Bozeman 01951-10-311951 current
S-346 7.975 12.835 I-90/S-288 in Manhattan to S-290 Four Corners 01946-10-251946 current
S-347 6.226 10.020 S-288 in Amsterdam MT 85 in Belgrade 01945-11-071945 current
S-348 13.974 22.489 Gilles MT 1 in Philipsburg 02945-11-072945 current
S-350 5.487 8.830 Homestead MT 16 near Medicine Lake 01954-05-061954 current
S-352 5.093 8.196 US 93 in Dayton Lake Mary Ronan 01945-11-071945 current
S-357 26.800 43.130 Ruby River Reservoir MT 287 in Alder 01945-11-071945 current
S-358 27.838 44.801 MT 44 in Valier US 2 in Cut Bank 01954-09-011954 current
S-359 15.964 25.692 MT 2/MT 69 in Harrison MT 2 in Cardwell 01945-11-071945 current
S-360 18.217 29.317 Fort Logan US 12/US 89 in White Sulphur Springs 01945-11-071945 current
S-363 11.203 18.029 US 2 in Dodson US 191 in Malta 01945-11-071945 current
S-365 24.231 38.996 Brady S-225 near Carter 01945-11-071945 current
S-366 49.245 79.252 I-15 near Ledger S-223 near Chester 01945-11-071945 current
S-370 1.954 3.145 US 93 near Victor S-203 near Stevensville 01945-11-071945 current
S-373 4.529 7.289 US 93 in Woodside Corvallis 01945-11-071945 current
S-374 6.503 10.466 MT 5 in Archer Outlook 01945-11-071945 current
S-379 18.008 28.981 I-15/S-221 near Dutton S-225 near Carter 01945-11-071945 current
S-381 16.370 26.345 Colding Creek US 12 near Roundup 01945-11-071945 current
S-382 15.703 25.272 MT 28 near Hot Springs MT 200 in Perma 01945-11-071945 current
S-384 57.052 91.816 MT 47 in Hardin I-94 near Sanders 01945-11-071945 current
S-386 1.534 2.469 US 87 in Kershaw MT 80 in Fort Benton 01945-11-071945 current
S-387 2.646 4.258 MT 80 in Fort Benton US 87 in Loma 01945-11-071945 current
S-391 16.563 26.656 Yarger US 212/MT 59 in Broadus 01945-11-071945 current
S-393 6.594 10.612 Newcomb MT 2 in Butte 01945-11-071945 current
S-396 16.908 27.211 S-211 in Harlem Coburg 01946-10-251946 current former routing of US 2
S-398 7.009 11.280 US 212/MT 59 in Broadus Powderville 02000-05-252000 current
S-399 25.228 40.601 I-90/MT 55 in Whitetail MT 69 in Boulder 01946-10-251946 current
S-400 12.335 19.851 Buffalo S-239 near Hobson 01946-10-251946 current
S-401 7.903 12.719 S-532 near Laurel S-302 near Molt 01987-10-131987 current An older S-401 was replaced by MT 55
S-405 28.371 45.659 US 2 near Bainville MT 16 in Froid 01946-10-251946 current
S-408 19.568 31.492 US 287 near Gilman US 89 in Fairfield 01946-10-251946 current
S-409 40.499 65.177 US 2 in Chester AB 880 near Whitlash 01946-10-251946 current
S-411 10.744 17.291 S-205/S-570 in Bozeman to Springhill Cemetery 01946-10-251946 current
S-413 24.709 39.765 MT 7 near Carlyle MT 7 near Saint Phillip 01948-07-301948 current
S-416 14.113 22.713 S-418 near Pryor I-90/US 212 in Billings 01950-03-201950 current
S-417 16.530 26.602 S-366 near Ledger U.S. Route 2 near Shelby 01950-07-031950 current
S-418 16.124 25.949 S-416 near Pryor Pryor 02000-01-272000 current
S-419 21.254 34.205 Limestone MT 78 near Absarokee 01951-03-271951 current
S-420 6.929 11.151 S-419 in Nye MT 78 near Absarokee 01951-01-161951 current
S-421 18.167 29.237 MT 78 near Columbus US 212 near Joliet 01951-01-161951 current
S-422 8.521 13.713 MT 41 in Silver Star MT 55 near Waterloo 01951-01-161951 current
S-424 17.108 27.533 US 93 in Kalispell US 93 west of Whitefish 01976-12-281976 current
S-426 26.573 42.765 US 87/MT 3/MT 200 near Kolin US 191 in [Lewistown, Montana 01951-12-281951 current
S-427 12.319 19.826 US 89 at Currie Spring US 87/MT 3/MT 200 in Raynesford 01951-12-281951 current
S-430 3.802 6.119 S-280 in Helena S-284 near Canyon Creek 01987-07-281987 current
S-431 19.999 32.185 US 89/S-565 near Fairfield I-15 in Power 01955-11-231955 current
S-432 46.932 75.530 US 2 in Rudyard US 287/S-223 in Big Sandy 01955-12-021955 current
S-434 18.032 29.020 I-15 near Wolf Creek MT 200 near Johnson Mountain 01955-12-021955 current
S-435 15.361 24.721 US 287 in Augusta Johnson Mountain 01987-07-281987 current
S-437 8.895 14.315 S-285 near Radersburg US 287 Toston 01956-05-041956 current
S-438 52.465 84.434 US 2 in Nashua S-248 nearGlentana 01955-11-231955 current
S-441 7.829 12.600 I-90 near Gregson MT 1 near Opportunity 01956-02-091956 current
S-444 19.773 31.822 US 2 near Blackfoot Montana Secondary Highway 213 near Bonita 01956-07-311956 current
S-446 2.778 4.471 I-94/S-446 in Rosebud US 212 in Ashland 01956-05-171956 current
S-447 52.478 84.455 US 212 in Ashland I-94/S-446 in Rosebud 01956-05-171956 current
S-448 30.108 48.454 US 87 in Box Elder US 2/S-449 Gildford 01955-12-051955 current
S-449 16.590 26.699 US 2/S-448 in Gildford Milk River 01955-12-071955 current
S-451 38.047 61.231 WY 345 south of Wyola I-90/US 87 01988-02-261988 current was US 87
S-453 5.121 8.241 I-15/US 287/S-279 in Helena Lake Helena 01955-02-201955 current
S-454 3.330 5.359 Unionville US 12 in Helena 01955-02-201955 current
S-457 1.506 2.424 S-451 in Wyola I-90/US 87 near Wyola 01988-02-281988 current
S-462 38.464 61.902 MT 59 in Rock Springs MT 200 near Brockway 01956-12-071956 current
S-463 14.202 22.856 Willow Creek Dam I-90 in Lodge Grass 01957-03-081957 current
S-464 33.671 54.188 US 2/US 89 in Browning US 89 in Babb 01957-06-281957 current
S-466 2.160 3.476 Hansons Creek Rd. near Lewistown S-238 near Lewistown 01956-11-071956 current
S-467 31.745 51.089 MT 200S in Lindsay MT 200 in Circle 01957-03-271957 current
S-470 24.032 38.676 MT 200S in Lindsay S-254 in Bloomfield 01957-03-271957 current
S-471 22.069 35.517 NFS Route 9 at ID border near Thompson Falls MT 200 near Thompson Falls 01957-01-291957 current
S-472 23.366 37.604 MT 200 near Trout Creek MT 200 near Thompson Falls 01993-11-061993 current Former routing of MT 200
S-473 14.394 23.165 Painted Rocks SP US 93 near Conner 01957-05-211957 current
S-474 3.859 6.210 S-263 near Frenchtown I-90/US 93/MT 200 in Wye 01957-06-271957 current
S-478 21.995 35.398 US 191 near Big Timber Stephens Hill Rd. near Rapelje 01957-09-231957 current
S-480 19.696 31.698 S-201 near Richey US 2 in Sprole 01957-12-051957 current
S-482 7.176 11.549 US 2 near Libby Creek US 2 near Libby 01958-03-051958 current
S-484 27.863 44.841 Fort Howe US 212 near Ashland 01958-09-031958 current
S-486 22.646 36.445 US 2 Columbia Falls Camas Creek entrance of Glacier National Park 01958-09-161958 current
S-487 7.223 11.624 US 93 in Whitefish Whitefish Mountain Resort at Big Mountain 01958-09-161958 current
S-489 18.006 28.978 MT 59 near Miles City Kinsey 01985-02-191985 current
S-493 4.877 7.849 MT 7 near Baker Anticline Rd. near Plevna 01959-05-141959 current
S-494 22.743 36.601 MT 7 in Willard US 12 in Plevna 01959-05-141959 current
S-500 30.407 48.935 US 12 near Melstone MT 200 in Mosby 01960-03-081960 current
S-503 12.166 19.579 US 93A near Kalispell US 2 in Kalispell 01960-11-031960 current
S-504 12.847 20.675 S-340 in Marsh Cabin Creek 01960-12-131960 current
S-507 2.533 4.076 I-90 in Alberton I-90 near Huson 01961-07-071961 current
S-508 29.272 47.109 US 2 near Troy S-567 in Yaak 01961-09-121961 current
S-509 37.499 60.349 I-15 in Monida Red Rock Lakes NWR 01961-09-121961 current
S-511 13.790 22.193 MT 5/S-251 in Flaxville Whitetail 01962-01-041962 current Was MT 13, formerly ended at SK 34 until Port of Whitetail closed
S-512 13.790 22.193 MT 1/S-513 in Hall New Chicago Rd. near Hall 01962-01-151962 current
S-513 9.663 15.551 Lower Willow Creek Rd. near Hall MT 1/S-512 in Hall 01962-01-151962 current
S-516 6.008 9.669 S-258 near Dagmar S-517 in Coalridge 01961-12-161961 current Old S-516 ran from US 2 to Katy Lake
S-517 12.291 19.780 MT 16 near Antelope S-516 in Coalridge 01961-12-161961 current
S-518 4.468 7.191 I-15/S-282 in Montana City US 12/US 287 in East Helena 01961-11-281961 current
S-522 2.368 3.811 I-94 in Huntley Worden 01962-08-231962 current
S-528 18.703 30.100 Prairie Elk Rd. near Oswego MT 13 near Macon 01998-07-291998 current
S-529 9.959 16.027 Clear Creek Rd. near Chinook S-240 in Chinook 01963-09-191963 current
S-531 6.308 10.152 US 93 in Grantsdale US 93/S-269 in Hamilton 01963-10-071963 current
S-532 17.628 28.370 I-90/US 212/US 310 in Laurel I-90/US 212 in Billings 01964-02-171964 current
S-534 27.894 44.891 US 89 in Dupuyer S-218 in Conrad 01964-06-111964 current
S-537 23.126 37.218 US 2 in Hinsdale Snake Creek Rd. near Hinsdale 01965-03-011965 current
S-540 31.859 51.272 US 89 near Miner US 89 near Pine Creek 01966-02-251966 current
S-541 10.691 17.205 S-239 Utica US 87/MT 3/MT 200 in Windham 01966-11-071966 current
S-543 24.160 38.882 MT 200 in Jordan Hell Creek SP 01967-02-141967 current
S-544 32.937 53.007 MT 59 in Biddle US 212 in Boyes 01968-04-221968 current
S-547 6.477 10.424 MT 81 in Denton Bear Springs Rd. near Denton 01969-06-231969 current
S-548 6.521 10.495 US 93 near Whitefish US 2 in Kalispell 01969-09-021969 current
S-551 6.515 10.485 US 87/MT 3/MT 200 in Geyser Braun Creek Rd. near Geyser 01971-06-081971 current
S-552 33.090 53.253 I-15 at Sunburst S-343 near Whitlash 01973-12-211973 current
S-556 44.200 71.133 MT 200 near Snider US 2 near Happy's Inn 01971-07-261971 current
S-559 3.118 5.018 US 93/MT 200 near Arlee Jocko Canyon Rd. near Arlee 01973-05-071973 current
S-564 24.992 40.221 US 87 in Carter S-223 near Loma 01975-10-061975 current
S-565 7.134 11.481 MT 200 in Simms U.S. 89/S-441 near Fairfield 01975-10-071975 current
S-566 51.835 83.420 S-314 near Tongue River Reservoir SP US 212 in Ashland 01975-10-301975 current
S-567 35.943 57.845 MT 37 in Libby S-508 in Yaak 01994-03-151994 current
S-568 2.673 4.302 I-94 near Pompeys Pillar Pompeys Pillar 01976-07-061976 current
S-569 22.020 35.438 MT 43 near Wise River MT 1 near Opportunity 02001-03-292001 current
S-571 1.168 1.880 US 89 in Emigrant S-540 near Emigrant 02001-06-012001 current
S-572 1.750 2.816 S-540 near Emigrant Chico Hot Springs 02001-06-012001 current
S-573 14.870 23.931 MT 16 in Medicine Lake Katy Lake 02001-06-012001 current
S-574 10.970 17.655 I-90 in Huson US 93/MT 200 near Wye 02006-01-252006 current
  •       Former

Former highways

See also

References

  1. ^ Montana Department of Transportation (January 19, 2022). "ALTIS Road Log Report" (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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