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List of secondary highways in Montana

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Montana Secondary Highways
Secondary Highway 236 marker Secondary Highway 323 markerHighway marker for S-236 and S-323
System information
Maintained by MDT
Formed1942
Highway names
InterstatesInterstate n (I-n)
US HighwaysU.S. Highway n (US n)
StateMontana Highway n (MT n)
SecondarySecondary Highway n (S-n)
System links

The secondary highway system is a lower-level classification of state highway maintained by the Montana Department of Transportation (MDT) in the US state of Montana. Secondary highways first appeared on the state highway map in 1960, even though the secondary system was established in 1942. With very few exceptions, notably MT 287 and the former MT 789, Montana state highways numbered 201 and higher are secondary highways.

North on S-486 in Columbia Falls, August 2013

The highway markers for Montana's secondary highways are distinctive in that the route number appears in black on a white downward-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.


List of highways

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 34.646 55.757 MT 200 west of Noxon US 2 east of Troy 01945-11-071945 01977-03-211977 Replaced by MT 56
S-202 2.662 4.284 MT 23 near Sidney McKenzie County Route 38 near Sidney 01977-03-211977 current
S-203 11.983 19.285 S-269 north of Stevensville US 93 in Florence 01952-07-301952 current
S-204 1.596 2.569 Milk River near Dodson US 2 in Dodson 01952-07-301952 current
S-205 — — Upper Lynch Creek Road north of Plains US 10 Alternate (now MT 200) in Plains 01945-11-071945 01945-01-011945
S-205 24.361 39.205 I-90 at Three Forks S-411 near Bozeman 01976-07-011976 current
S-206 9.741 15.677 MT 35 east of Evergreen US 2 near Columbia Falls 01945-11-071945 current
S-207 — — S-208 US 93 in Kalispell 01945-11-071945 01977-01-011977 Now Lower Valley Road
S-207 21.862 35.183 US 87/MT 3/MT 200 near Moccasin MT 81 in Denton 01978-03-021978 current
S-208 — — US 93 north of Somers MT 35 north of Bigfork 01945-11-071945 01977-01-011977 Replaced by MT 82
S-208 9.412 15.147 US 191 in Phillips County Whitewater 01978-03-021978 current
S-209 4.861 7.823 MT 35 at Bigfork MT 83 near Ferndale 01945-11-071945 current Partially replaced by MT 83 in 1977
S-210 9.855 15.860 MT 200 at Missoula I-90/US 12 at Clinton 01976-07-011976 current Former U.S. 10
S-211 9.757 15.702 Flathead River near Ronan US 93 in Ronan 01945-11-071945 current Round Butte Road
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-216 — — I-15 near Valier US 89 01945-11-071945 01977-01-011977 Replaced by MT 44
S-216 — — Marysville S-279 in Silver City 01981-08-121981 01993-01-011993 Now Marysville Road
S-217 — — US 89 in Dupuyer US 91 in Conrad 01945-11-071945 01945-01-011945 now S-534
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 01945-11-071945 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 — — — — 01945-11-071945 01945-01-011945
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 Road 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 — — — — 01945-11-071945 01954-01-011954
S-229 2.592 4.171 Helena city limits S-279 near Helena 01976-07-011976 current
S-230 — — US 87 at Stanford US 87 at Fort Benton 01945-11-071945 01977-01-011977 Not built until 1945; replaced by MT 80
S-230 — — East of Laurel S-429 (Shiloh Road) in Billings 01982-05-211982 01993-01-011993 I-90 south frontage road
S-231 — — US 2 in Rudyard Goldstone 01945-11-071945 01977-01-011977 Restored as S-255 in 1984
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 Hwy 41 at the Port of Wild Horse, Alberta 01945-11-071945 current
S-233 30.482 49.056 S-232 near Havre Hwy 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 — — S-230 near Coffee Creek US 191 at Brooks 01945-11-071945 01977-01-011977 Replaced by MT 81
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-237 2.478 3.988 S-426 near Hanover US 87 Business/US 191 Business at Lewistown 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 01945-11-071945 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 Hwy 37 at the Port of Turner 01945-11-071945 current
S-242 — — Port of Morgan at the Saskatchewan border Malta 01945-11-071945 01993-01-011993 Replaced by US 191
S-243 21.185 34.094 US 2 near Bowdoin National Wildlife Refuge 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 — — Port of Opheim US-2 in Glasgow 01945-11-071945 01977-01-011977 Replaced by MT 24
S-247 6.260 10.074 S-322 near Mill Iron Webster 01983-11-091983 current
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 — — MT 24 at Fort Peck US 2 at Nashua 01945-11-071945 01977-01-011977 Replaced by MT 117
S-249 11.775 18.950 MT 287 near Ennis US 287 near Cameron 01984-08-291984 current
S-250 49.416 79.527 US 2 near Wolf Point MT 13 near Volt 01945-11-071945 current
S-251 52.109 83.861 US 2 near Poplar MT 5/S-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 — — — — 01945-11-071945 —
S-255 24.936 40.131 US 2 in Rudyard Goldstone 01984-08-291984 current
S-256 — — MT 15 in Plentywood Hwy 6 near Port of Raymond 01945-11-071945 01977-01-011977 Replaced by MT 16
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 — — — — 01945-11-071945 01954-01-011954
S-259 10.073 16.211 S-360 near White Sulphur Springs US 89 at Newlan Creek 01984-08-291984 current
S-260 — — Lambert MT 14/MT 16 in Sidney 01945-11-071945 01950-01-011950 Replaced by MT 23 (later MT 20; now MT 200)
S-260 3.577 5.757 Bobtail Road near Libby S-567 near Libby 01986-03-281986 current
S-261 51.446 82.794 I-94 in Wibaux MT 23 in Sidney 01945-11-071945 current Former MT 7
S-262 — — County Road southeast of St. Regis S-257 in Superior 01945-11-071945 01977-01-011977 Now Diamond Road and Southside Road
S-263 14.786 23.796 I-90 in Frenchtown US 93 in Missoula 01945-11-071945 current
S-264 — — S-266 in Missoula S-265 in Missoula 01945-11-071945 01974-01-011974 Now 3rd Street and Clements Road
S-265 — — S-266 in Missoula S-264 in Missoula 01945-11-071945 01974-01-011974 Now South Avenue
S-266 — — US 12 in Missoula S-390 in Missoula 01945-11-071945 01974-01-011974 Now Higgins Avenue
S-267 — — Sawmill Gulch Road MT 200 in Missoula 01945-11-071945 01993-01-011993 Now Van Buren Street and Rattlesnake Drive
S-268 — — — — 01945-11-071945 01977-01-011977
S-269 21.284 34.253 US 93/S-531 in Hamilton US 93 in Stevensville 01945-11-071945 current
S-270 — — Capitol S-323 in Albion 01953-01-011953 01993-01-011993
S-271 22.319 35.919 I-90 in Drummond MT 141 near Helmville 01945-11-071945 current Partially replaced by MT 141 in 1978
S-272 2.024 3.257 S-271 near Helmville US 12 in Avon 01945-11-071945 01977-01-011977 Replaced by MT 141
S-272 2.024 3.257 Montana State Prison S-275 in Deer Lodge 01987-12-011987 current
S-273 12.181 19.603 MT 48 near Opportunity I-90 in Galen 01945-11-071945 current
S-274 — — MT 43 near Wise River MT 1 near Opportunity 01945-11-071945 01985-01-011985 Restored in 2001 as S-569
S-275 — — — — 01945-11-071945 01977-01-011977
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 Flesher Pass 01945-11-071945 current
S-280 16.050 25.830 I-15 in Helena Trout Creek Canyon 01945-11-071945 current
S-281 — — MT 2 at Cardwell I-15 at Boulder 01945-11-071945 01977-01-011977 Replaced by MT 69
S-282 — — — — 01945-11-071945 01945-01-011945
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 01945-11-071945 current
S-284 42.073 67.710 US 12/US 287 near Canyon Ferry US 12 near Townsend 01945-11-071945 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-287 7.931 12.764 MT 2 in Three Forks Williams Bridge Road south of Willow Creek 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-289 — — US 287 in Norris US 191/S-291 near Four Corners 01945-11-071945 01977-01-011977 Replaced by MT 84
S-290 16.247 26.147 S-205 in Belgrade 16 Mile Creek near Maudlow 01945-11-071945 current
S-291 0.826 1.329 S-205 in Belgrade I-90/MT 85 in Belgrade 01945-11-071945 02001-01-012001 Now Jackrabbit Lane; partially replaced by MT 85 in 1977
S-292 — — — — 01945-11-071945 01977-01-011977
S-292 8.789 14.145 S-548 in Evergreen MT 40 near Whitefish 01996-02-071996 current
S-293 — — US 191/I-90 Bus. in Bozeman US 89 near Wilsall 01945-11-071945 01977-01-011977 Replaced by MT 86
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-296 — — US 12 in Two Dot Lebo Lake 01945-11-071945 01977-01-011977 Now Two Dot Highway
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-299 — — — — 01945-11-071945 01977-01-011977
S-300 13.341 21.470 Big Coolie Creek US 12/MT 3/S-238 in Ryegate 01945-11-071945 current
S-301 — — MT 6 in Lavina I-90 in Billings 01945-11-071945 01956-01-011956 Replaced by MT 3
S-302 14.322 23.049 Molt MT 3 in Billings 01945-11-071945 current
S-303 — — — — 01945-11-071945 01977-01-011977
S-304 — — Shepherd US 312 01945-11-071945 01977-01-011977 Now Shepherd Road
S-305 — — Laurel S-302 in Billings 01945-11-071945 01977-01-011977 Now 72nd Street and S-532 (King Avenue)
S-306 25.273 40.673 MT 78 in Columbus Rapelje 01945-11-071945 current
S-307 — — US 212 at Red Lodge I-90 at Columbus 01945-11-071945 01977-01-011977 Replaced by MT 78
S-308 14.383 23.147 US 212 in Red Lodge MT 72 in Belfry 01945-11-071945 current Partially replaced by MT 72
S-309 — — — — 01945-11-071945 01972-01-011972
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-312 — — — — 01945-11-071945 01962-01-011962
S-313 38.588 62.101 Fort Smith MT 47 in Hardin 01945-11-071945 current
S-314 44.342 71.362 WYO 338 near Decker US 212 near Busby 01946-10-251946 current
S-315 — — US 212 in Lame Deer North of I-94 near Forsyth 01945-11-071945 01977-01-011977 Replaced by MT 45
S-316 — — — — 01945-11-071945 01945-01-011945
S-317 3.503 5.638 US 93 in Kalispell MT 35 in Kalispell 01953-04-031953 02012-01-01c. 2012
S-318 — — Swords Park Billings Municipal Airport 01945-11-071945 01974-01-011974 Now East Airport Road
S-319 — — US 212 near Broadus Wyoming border south of Biddle 01945-11-071945 01967-01-011967 Replaced by MT 59
S-320 6.070 9.769 US 12 near Plevna Ismay 01945-11-071945 current
S-321 — — — — 01945-11-071945 01977-01-011977
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 SH 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 — — MT 35 in Bigfork S-209 near Bigfork 01954-01-011954 01977-01-011977 Replaced by MT 83
S-326 1.683 2.709 WYO 112 near Alzada US 212/S-323 in Alzada 01990-02-271990 current Formerly S-492
S-327 15.043 24.209 ND 1804 at Fort Union US 2 Bainville 01953-08-101953 current
S-328 — — MT 3 in Broadview MT 3 in Acton 01953-08-101953 01977-01-011977 Now 21 Mile Road and Oswald Road
S-328 18.843 30.325 S-323 near Ekalaka SD 20 near Capitol 01994-10-131994 current
S-329 — — — — 01945-11-071945 01977-01-011977
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-333 — — US 12 east of Miles City Mizpah 01945-11-071945 01983-01-011983 Now Mizpah Road and Trail Creek Road
S-334 — — Port of Scobey MT 5 in Scobey 01945-11-071945 01962-01-011962 Replaced by MT 13
S-334 3.760 6.051 Beaver Creek Reservoir US 87 in Laredo 01994-09-011994 current
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-337 — — — — 01956-01-011956 01957-01-011957
S-338 21.558 34.694 S-241 near Harlem Hogeland 01954-01-291954 current
S-339 — — US 89 near Wilsall Smith Creek Road northeast of Wilsall 01954-01-291954 01977-01-011977 Now Shields River Road
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 US 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 Boulevard in Bozeman 01951-10-311951 current
S-346 7.975 12.835 I-90/S-288 in Manhattan S-290 at Manhattan city limits 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 01945-11-071945 current
S-349 — — — — 01954-05-061954 01977-01-011977
S-350 5.487 8.830 Homestead MT 16 near Medicine Lake 01954-05-061954 current
S-351 — — — — 01945-11-071945 01954-01-011954
S-352 5.093 8.196 US 93 in Dayton Lake Mary Ronan 01945-11-071945 current
S-353 — — Round Butte Moiese 01945-11-071945 01977-01-011977
S-354 8.002 12.878 Polson — 01945-11-071945 current
S-355 — — Helena — 01954-01-011954 01974-01-011974
S-356 — — US 12 in Helena Central Avenue in Helena 01945-11-071945 01977-01-011977 Formerly ended at S-279 near Birdseye
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 US 287 north of Harrison MT 2/MT 69 northwest of 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-361 — — — — 01945-11-071945 01947-01-011947
S-361 — — — — 01975-01-011975 01983-01-011983
S-362 — — — — 01945-11-071945 01977-01-011977 now S-571
S-363 11.203 18.029 US 2 in Dodson US 191 in Malta 01945-11-071945 current
S-364 — — US 191 in Malta South Black Coulee Road near Malta 01945-11-071945 01977-01-011977
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-367 — — — — 01945-11-071945 01977-01-011977
S-368 — — — — 01945-11-071945 01977-01-011977
S-369 — — — — 01945-11-071945 01977-01-011977
S-370 1.954 3.145 US 93 near Victor S-203 near Stevensville 01945-11-071945 current
S-371 — — Melville Twodot 01945-11-071945 01977-01-011977
S-372 — — — — 01945-11-071945 01977-01-011977
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-375 — — Continental Drive—downtown Butte US 10 southeast of Butte 01945-11-071945 01993-01-011993
S-376 — — Fort Belknap Agency US 191 near Landusky 01956-01-011956 01977-01-011977 Replaced by MT 66
S-377 — — Stevensville Bitterroot National Forest 01955-01-011955 01977-01-011977
S-378 — — — — 01945-11-071945 01977-01-011977
S-379 18.008 28.981 I-15/S-221 near Dutton S-225 near Carter 01945-11-071945 current
S-380 — — — — 01955-01-011955 01977-01-011977
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 — — — — 01955-01-011955 01977-01-011977
S-384 57.052 91.816 MT 47 in Hardin I-94 near Sanders 01945-11-071945 current
S-385 — — — — 01945-11-071945 01977-01-011977
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-388 — — — — 01955-01-011955 01977-01-011977
S-389 — — — — 01945-11-071945 01977-01-011977
S-390 — — US 12 in Missoula US 12 in Missoula 01945-11-071945 01974-01-011974 Now 39th Street and Russell Street
S-391 16.563 26.656 Yarger US 212/MT 59 in Broadus 01945-11-071945 current
S-392 — — — — 01945-11-071945 01963-01-011963
S-393 6.594 10.612 Newcomb MT 2 in Butte 01945-11-071945 current
S-394 — — — — 01945-11-071945 01977-01-011977
S-395 — — — — 01946-10-251946 01962-01-011962
S-396 16.908 27.211 S-211 in Harlem Coburg 01946-10-251946 current Former routing of US 2
S-397 — — Belfry Wyoming border 01945-11-071945 01977-01-011977 Replaced by MT 72
S-398 — — County road 4.7 mi (7.6 km) north of MT 48 MT 48 3 mi (4.8 km) east of Anaconda 01946-10-251946 01956-01-011956 Replaced by S-273
S-398 7.009 11.280 US 212/MT 59 in Broadus Powderville 02000-05-252000 current Formerly S-402
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 — — — — 01946-10-251946 01977-01-011977 Replaced by MT 55
S-401 7.903 12.719 S-532 near Laurel S-302 near Molt 01987-10-131987 current
S-402 7.009 11.280 US 212/MT 59 in Broadus Powderville 01946-10-251946 01987-01-011987 Now S-398
S-403 — — — — 01946-10-251946 01974-01-011974
S-404 — — Brockton — 01946-10-251946 01977-01-011977
S-405 28.371 45.659 US 2 near Bainville MT 16 in Froid 01946-10-251946 current
S-406 — — — — 01946-10-251946 01965-01-011965
S-407 — — — — 01946-10-251946 01977-01-011977
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 Hwy 880 near Whitlash 01946-10-251946 current
S-410 — — — — 01946-10-251946 01977-01-011977
S-411 10.744 17.291 S-205/S-570 in Bozeman Springhill Cemetery 01946-10-251946 current
S-412 — — — — 01947-01-011947 01977-01-011977
S-412 0.349 0.562 S-411 near Bozeman S-205 bridge in Bozeman 01995-01-011995 current
S-413 24.709 39.765 MT 7 near Carlyle MT 7 near Saint Phillip 01948-07-301948 current
S-414 — — — — 01948-07-301948 01977-01-011977
S-415 — — — — 01950-03-201950 01977-01-011977
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 US 2 near Shelby 01950-07-031950 current
S-418 — — — — 01951-03-271951 01977-01-011977
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-423 — — — — 01951-03-271951 01977-01-011977
S-424 17.108 27.533 US 93 in Kalispell US 93 west of Whitefish 01951-01-011951 current
S-425 — — Roscoe Fishtail 01951-01-011951 01977-01-011977
S-426 26.573 42.765 US 87/MT 3/MT 200 near Kolin US 191 in Lewistown 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-428 — — US 191 in Judith Gap Living Springs Road 01952-01-011952 01977-01-011977 Replaced by an extended S-297
S-428 — — Zoo Drive in Billings S-429 (Shiloh Road) in Billings 01999-01-011999 02001-01-012001 I-90 south Frontage Road
S-429 6.392 10.287 Zoo Drive in Billings S-428 (I-90 Frontage Road) in Billings 01952-01-011952 02001-01-012001 Now Shiloh Road
S-430 — — — — 01955-01-011955 01980-01-011980
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-433 — — — — 01955-01-011955 01977-01-011977
S-434 18.032 29.020 I-15 near Wolf Creek MT 200 near Johnson Mountain 01955-12-021955 current
S-435 — — — — 01955-01-011955 01977-01-011977
S-435 15.361 24.721 US 287 in Augusta Johnson Mountain 01987-07-281987 current
S-436 — — US 2 near Chinook Saskatchewan border 01955-01-011955 01977-01-011977 Now local Blaine County roads
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-440 — — — — 01955-01-011955 01977-01-011977
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 S-213 near Bonita 01956-07-311956 current
S-445 — — — — 01955-01-011955 01977-01-011977
S-446 2.778 4.471 I-94/S-447 in Rosebud Cartersville 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-450 — — — — 01955-01-011955 01977-01-011977
S-451 — — — — 01955-01-011955 01960-01-011960
S-451 38.047 61.231 WYO 345 south of Wyola I-90/US 87 north of Wyola 01988-02-261988 current Formerly US 87
S-452 — — — — 01955-01-011955 01977-01-011977
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-455 — — — — 01956-01-011956 01957-01-011957
S-456 — — — — 01955-01-011955 01977-01-011977
S-457 — — — — 01955-01-011955 01970-01-011970
S-457 1.506 2.424 S-451 in Wyola I-90/US 87 near Wyola 01988-02-281988 current
S-458 — — — — 01956-01-011956 01977-01-011977
S-459 — — Great Falls S-226 01956-01-011956 01993-01-011993
S-460 — — — — 01956-01-011956 01977-01-011977
S-461 — — MT 200 near Paradise St. Regis 01956-01-011956 01977-01-011977 Replaced by MT 135
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-465 — — — — 01956-01-011956 01977-01-011977
S-466 2.160 3.476 Hansons Creek Road 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-468 — — — — 01957-01-011957 01958-01-011958
S-469 — — — — 01956-01-011956 01985-01-011985
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 Idaho border near Murray, Idaho MT 200 near Thompson Falls, Montana 01957-01-291957 current
S-472 — — — — 01956-01-011956 01977-01-011977
S-472 16.5 26.6 US 93 in Sula Reynolds Creek Road near Martin Creek Campground 01993-11-011993 current
S-473 14.394 23.165 Painted Rocks State Park 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-475 — — — — 01956-01-011956 01977-01-011977
S-476 — — S-540 near Pray Montanapolis Springs 01956-01-011956 01977-01-011977
S-477 — — — — 01956-01-011956 01977-01-011977
S-478 21.995 35.398 US 191 near Big Timber Stephens Hill Road near Rapelje 01957-09-231957 current
S-479 — — — — 01956-01-011956 01977-01-011977
S-480 19.696 31.698 S-201 near Richey US 2 in Sprole 01957-12-051957 current
S-481 — — — — 01957-01-011957 01977-01-011977
S-482 7.176 11.549 US 2 near Libby Creek US 2 near Libby 01958-03-051958 current
S-483 — — Port of Del Bonita Santa Rita 01957-01-011957 01977-01-011977 Replaced by an extension of S-213
S-484 27.863 44.841 Fort Howe US 212 near Ashland 01958-09-031958 current
S-485 — — Trailcreek Columbia Falls 01958-01-011958 01977-01-011977
S-486 22.646 36.445 US 2 in 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-488 — — — — 01959-01-011959 01981-01-011981
S-489 18.006 28.978 MT 59 near Miles City Kinsey 01985-02-191985 current
S-490 — — — — 01959-01-011959 01977-01-011977
S-492 — — — — 01959-01-011959 01977-01-011977
S-493 4.877 7.849 MT 7 near Baker Anticline Road 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-495 — — Great Falls — 01959-01-011959 01977-01-011977
S-496 — — Bainville MT 16 01959-01-011959 01977-01-011977
S-497 — — — — 01959-01-011959 01977-01-011977
S-498 — — In Great Falls — 01959-01-011959 01974-01-011974 Replaced by bypass US 87
S-499 — — Follows the north end of Hebgen Lake from MT 287 US 191 01959-01-011959 01964-01-011964 Replaced by US 287 in 1964
S-500 30.407 48.935 US 12 near Melstone MT 200 in Mosby 01960-03-081960 current
S-501 — — MT 38 at Grantsdale Sleeping Child Hot Springs 01960-01-011960 01977-01-011977
S-502 — — — — 01960-01-011960 01977-01-011977
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-505 — — Lewistown Glengarry 01960-01-011960 01980-01-011980 replaced by S-426
S-506 — — Yaak Libby 01961-01-011961 01977-01-011977 Replaced by S-567
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 National Wildlife Refuge 01961-09-121961 current
S-510 — — Brockway Dry Ash Creek 01961-01-011961 01999-01-011999
S-511 13.790 22.193 MT 5/S-251 in Flaxville Whitetail 01962-01-041962 current Formerly MT 13; formerly ended at Port of Whitetail
S-512 13.790 22.193 MT 1/S-513 in Hall New Chicago Road near Hall 01962-01-151962 current
S-513 9.663 15.551 Lower Willow Creek Road near Hall MT 1/S-512 in Hall 01962-01-151962 current
S-514 — — Poplar Plentywood 01962-01-011962 01977-01-011977
S-515 — — US 2 Katy Lake 01961-01-011961 01977-01-011977 part now S-573
S-515 — — — — 01991-01-011991 02001-01-012001
S-516 — — — — — —
S-516 6.008 9.669 S-258 near Dagmar S-517 in Coalridge 01961-12-161961 current
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-519 — — — — 01962-01-011962 01978-01-011978
S-520 — — — — 01962-01-011962 01977-01-011977
S-521 — — — — 01962-01-011962 01972-01-011972
S-522 2.368 3.811 I-94 in Huntley Worden 01962-08-231962 current
S-523 — — — — 01963-01-011963 01977-01-011977
S-524 — — — — 01962-01-011962 01977-01-011977
S-525 — — — — 01962-01-011962 01977-01-011977
S-526 — — — — 01963-01-011963 01977-01-011977
S-527 — — — — 01963-01-011963 01977-01-011977
S-528 18.703 30.100 Prairie Elk Road near Oswego MT 13 near Macon 01998-07-291998 current
S-529 9.959 16.027 Clear Creek Road near Chinook S-240 in Chinook 01963-09-191963 current
S-530 — — — — 01963-01-011963 01977-01-011977
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-533 — — — — 01965-01-011965 02005-01-012005
S-534 27.894 44.891 US 89 in Dupuyer S-218 in Conrad 01964-06-111964 current
S-535 — — — — 01964-01-011964 01974-01-011974
S-536 — — — — 01964-01-011964 01993-01-011993
S-537 23.126 37.218 US 2 in Hinsdale Snake Creek Road near Hinsdale 01965-03-011965 current
S-538 — — — — 01965-01-011965 01974-01-011974
S-539 — — — — 01965-01-011965 01977-01-011977
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-542 — — — — 01967-01-011967 01977-01-011977
S-543 24.160 38.882 MT 200 in Jordan Hell Creek State Park 01967-02-141967 current
S-544 32.937 53.007 MT 59 in Biddle US 212 in Boyes 01968-04-221968 current
S-545 — — — — 01968-01-011968 01974-01-011974
S-546 — — — — 01968-01-011968 01977-01-011977
S-547 6.477 10.424 MT 81 in Denton Bear Springs Road 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-549 — — — — 01969-01-011969 01993-01-011993
S-551 6.515 10.485 US 87/MT 3/MT 200 in Geyser Braun Creek Road 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-554 — — — — 01971-01-011971 01977-01-011977
S-556 44.200 71.133 MT 200 near Snider US 2 near Happy's Inn 01971-07-261971 current
S-557 — — — — 01971-01-011971 01974-01-011974
S-558 — — — — 01971-01-011971 01974-01-011974
S-559 3.118 5.018 US 93/MT 200 near Arlee Jocko Canyon Road near Arlee 01973-05-071973 current
S-563 — — I-90 near Springdale Springdale 01975-01-011975 02001-01-012001
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 US 89/S-441 near Fairfield 01975-10-071975 current
S-566 51.835 83.420 S-314 near Tongue River Reservoir State Park 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 — — — — 01976-01-011976 01981-01-011981
S-569 22.020 35.438 MT 43 near Wise River MT 1 near Opportunity 02001-03-292001 current formerly S-274
S-570 — — S-205/S-411 in Bozeman I-90 in Bozeman 02001-01-012001 02012-01-012012
S-571 1.168 1.880 US 89 in Emigrant S-540 near Emigrant 02001-06-012001 current formerly S-362
S-572 1.750 2.816 S-540 near Emigrant Chico Hot Springs 02001-06-012001 current formerly S-542
S-573 14.870 23.931 MT 16 in Medicine Lake Katy Lake 02001-06-012001 current formerly part of S-515
S-574 10.970 17.655 I-90 in Huson US 93/MT 200 near Wye 02006-01-252006 current
  •       Former

Secondary Highway 206

Secondary Highway 206 markerSecondary Highway 206
LocationFlathead County
Length9.741 mi (15.677 km)
Existed1960–present

Secondary Highway 206 (S-206) is a 9.741-mile-long (15.677 km) secondary state highway in Flathead County, Montana connecting Montana Highway 35 (MT 35) east of Evergreen to U.S. Highway 2 (US 2) east of Columbia Falls.

S-206 begins at the junction with MT 35 and runs almost due north to its terminus with US 2 east of Columbia Falls, providing a rural bypass for traffic headed to Glacier National Park, Kalispell, Bigfork and Polson.

S-206 passes through mostly rural landscape, and wildlife crossings should be expected at all times as animals search for food and water.

Today's S-206 was part of the original 1926 US 2 corridor from Kalispell to Columbia Falls (along with MT 35 from the S-206 southern terminus to Evergreen). This two-lane paved road was initially built in 1934 and last improved in 2011 as listed in the state road log.

The S-206 designation has existed since at least 1960 when S-206 was LaSalle Road, an 11.104-mile-long (17.870 km) four-lane highway that connected US 2 in Evergreen to MT 40 west of Columbia Falls and provides access to Glacier Park International Airport. It was route swapped from LaSalle Road in 1983 (as seen in the 1985 state map), and the former routing is now part of US 2 from junction P-52 (MT 35) to junction N-38 (MT 40).

Secondary Highway 232

Secondary Highway 232 markerSecondary Highway 232
LocationHill County
Length42.784 mi (68.854 km)
Existedc. 1945–present

Secondary Highway 232 (S-232) is a 42.784 miles (68.854 km) long secondary state highway in eastern Hill County connecting Havre and the Canadian border.

S-232 begins in the census-designated place (CDP) of Havre North, at Havre city limits, and travels north to S-233 at 3.316 miles (5.337 km). S-232 turns northwest where it terminates the Wild Horse Border Crossing at the Canadian border, continuing north as Alberta Highway 41 towards Medicine Hat.

S-232 is a combined urban and secondary route, with Corridor C000232 comprises 7th Avenue and 5th Street North within Havre, connecting S-232 with U.S. Highway 2 (US 2).

Secondary Highway 317

Secondary Highway 317 markerSecondary Highway 317
LocationFlathead County
Length4.499 mi (7.240 km)
Existed1953–present

Secondary Highway 317 (S-317) is a 4.499-mile-long (7.240 km) secondary state highway in Flathead County, Montana, connecting Kalispell and Evergreen.

S-317 begins at the "Four Corners" junction with Cemetery Road to the west and U.S. Highway 93 (US 93) and Lower Valley Road south of the city limits of Kalispell. It proceeds north on Willow Glen Drive, then north and east on Conrad Drive along the Stillwater River, and north on Shady Lane to its terminus at State Highway 35 (MT 35). It is a de facto southeast bypass of downtown Kalispell for traffic headed to Evergreen and places such as Glacier National Park and Bigfork.

S-317 passes through mostly rural landscape outside the Kalispell city limits, and wildlife crossings should be expected at all times as animals go to the river for water and search for food.

S-317 is a paved two-lane highway entirely within the Kalispell urban area. As such, it is signed as a secondary route (corridor C000317) but listed as an urban route (U-6734) in the road log.

Secondary Highway 323

Secondary Highway 323 markerSecondary Highway 323
LocationCarter County
Length71.130 mi (114.473 km)
The intersection of S-323 and U.S. Route 212 in Alzada, April 2016.

Secondary Highway 323 (S‑323) is a 71.130-mile (114.473 km) secondary state highway in eastern Carter County, Montana, that connects Alzada and Ekalaka.

S‑323 begins at the U.S. Route 212 (US 212) in the unincorporated community of Alzada near the Montana-Wyoming state line. S‑323 travels north from Alzada through eastern Carter County. Secondary Highway 277 (Hammond Road) is intersected at 38.717 miles (62.309 km) and Secondary Highway 328 (Tie Creek Road) at 48.018 miles (77.277 km). S‑323 enters and leaves the Custer National Forest between 63.576 miles (102.316 km) and 66.304 miles (106.706 km), respectively. At 71.130 miles (114.473 km) S‑323 reaches its northern terminus at the southern terminus of Montana Highway 7 in Ekalaka.

S‑323 is a paved two-lane highway its entire length.

Secondary Highway 326

Secondary Highway 326 markerSecondary Highway 326
LocationCarter County
Length1.683 mi (2.709 km)

Secondary Highway 326 (S-326) is a secondary state highway in the extreme south part of Carter County, Montana.

S-326 begins at Wyoming Highway 112 (WYO 112) at the Montana–Wyoming state line. Located here is a historical marker for Camp Devin. The highway then travels north 1.7 miles (2.7 km) to end at US Route 212 (US 212) in Alzada.

Secondary Highway 391

Secondary Highway 391 markerSecondary Highway 391
LocationPowder River County

Secondary Highway 391 (S-391) is a secondary state highway in the southern half of Powder River County, Montana, although it is a non-paved gravel road.

S-391 begins at the Montana–Wyoming state line in Powder River County. The gravel highway then travels north 36 miles (58 km) to an end at US Route 212 (US 212) in Broadus.

Secondary Highway 419

Secondary Highway 419 markerSecondary Highway 419
LocationStillwater County

Secondary Highway 419 (S-419) is a secondary state highway between Montana Highway 78 to the Stillwater Mining Company near Nye. The David Thatcher Memorial Highway is an 18-metre (0.018 km) highway that begins at the intersection of MT  78 and MT 419 south of Absarokee and runs through Fishtail and Nye. It was named in honor of World War II veteran and Montana native Sergeant David Thatcher, who enlisted in the United States Army Air Corps in December 1940. Thatcher was one of the Doolittle Raiders and a recipient of the Silver Star. On March 20, 2019, Governor Steve Bullock signed into law Montana Senate Bill 175, which named the section of highway.

Secondary Highway 424

Secondary Highway 424 markerSecondary Highway 424
LocationFlathead County
Length17.108 mi (27.533 km)
Existed1930s–present

Secondary Highway 424 (S-424), also known as Three Mile Drive and Farm to Market Road, is a 17.108-mile-long (27.533 km) secondary state highway in Flathead County, Montana, connecting northwestern Kalispell to U.S. Route 93 (US 93) west of Whitefish.

S-424 begins at the junction of North Meridian Road and Three Mile Drive in Kalispell, just south of US 93 and just north of US 2. It follows Three Mile Drive west past the Kalispell Middle School to an interchange with the new US 93 Alternate before curving north and west as Farm to Market Road (subsuming sections of Springcreek Road and Four Mile Drive). S-424 proceeds mostly north from here, passing the West Valley Elementary School at the intersection with S-548, entering a forested area, going north on Lodgepole Road and then going east and north on Twin Bridges Road to its northern terminus at US 93 west of Whitefish, near Spencer Lake.

S-424 passes through mostly rural and forest landscape between Kalispell and Whitefish and wildlife crossings should be expected at all times as animals search for food and water.

S-424 is a paved two-lane road throughout. In the state road log, S-424 is a combined urban and secondary route, but is only currently signed outside the Kalispell city limits. Corridor C000424 comprises U-6706 (Three Mile Drive/Farm to Market Road) and S-424.

Farm to Market Road can be seen on the 1935 map as an all-weather gravel road.

The 1960 map was the first to use the S-424 route designation, where state highways were shown with square shields and the new numbered state roads (the secondary highways) were shown with oval shields.

Some map products still show the original S-424 routing, which continued on Farm to Market Road to the west terminus of, and including the entirety of, Twin Bridges Road. This routing provided access to Tally Lake Road and various U.S. Forest Service sites therein. The section of Farm to Market between Tally Lake and Twin Bridges Roads, even though paved, is much narrower and has more sudden curves than is preferred for modern driving. This prompted the route shift to Lodgepole Road between Farm to Market and Twin Bridges Roads. Lodgepole Road is a much wider county road built in 1956, and improved to paved state highway standards in 2003 expressly for this purpose.

Farm to Market Road continues north, providing access to the Twin Lakes area before intersecting with US 93 north of milepost 139.

Secondary Highway 486

Secondary Highway 486 markerSecondary Highway 486
LocationFlathead County
Length22.646 mi (36.445 km)
Existed1945–present

Secondary Highway 486 (S-486), also known as the North Fork Flathead Road (NFFR), is a 22.646-mile-long (36.445 km) secondary state highway in Flathead County, Montana, that connects the city of Columbia Falls with the Glacier National Park at Camas Road.

S-486 begins at the junction with U.S. Highway 2 (US 2) in Columbia Falls. It follows Nucleus Avenue north through downtown, turning northeast at Railroad Street (the truck route used by logging trucks coming from the north). It spends the next 21 miles (34 km) winding its way through the Flathead National Forest until it reaches its officially signed terminus at Camas Road, which leads to the western entrance of Glacier National Park.

The highway passes through mostly forest landscape north of Columbia Falls, and wildlife crossings should be expected at all times as animals search for food and water.

S-486 is a two-lane road paved for the first 12.367 miles (19.903 km) and mostly gravel the rest of the way. It is listed in the state road log as a combined urban and secondary route. Corridor C000486 comprises U-2501 (Nucleus Avenue/Railroad Street/North Fork Road) and S-486. The oldest section remaining in the current road was constructed by Flathead County in 1945, and the road has been signed as a state secondary highway since at least 1971.

Even though NFFR runs north from Columbia Falls to Canada, the S-486 designation (and the state funding that goes with it) currently stops at Camas Road. Flathead County is responsible for maintaining the gravel portion of S-486 and all construction and maintenance on the rest of the road that parallels the North Fork Flathead River to Polebridge (the northwestern entrance to Glacier National Park) and on to the Canadian border.

In August 2010, Flathead County and Montana Department of Transportation completed a study of the NFFR to evaluate corridor issues for the road such as dust pollution that carries into Glacier National Park. Because the NFFR is also Forest Highway 61, additional federal funding could be tapped for any reconstruction projects. With pending bridge replacement on US 2 near Hungry Horse scheduled for 2017, Columbia Falls city officials and residents are once again calling for paving the NFFR to Camas Road, at minimum, to give Glacier National Park visitors an alternate route to detour around the construction.

The entire route is in Flathead County.

LocationmikmDestinationsNotes
Columbia Falls0.0000.000 US 2 (Ninth Street)Southern terminus; S-486 heads north as Nucleus Avenue
​22.64636.445Camas Creek RoadNorthern terminus; roadway continues north as North Fork Flathead Road
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Secondary Highway 487

Secondary Highway 487 markerSecondary Highway 487
LocationFlathead County
Length7.223 mi (11.624 km)
Existed1947–present

Secondary Highway 487 (S-487), also known as Big Mountain Road, is a 7.223-mile-long (11.624 km) secondary state highway in Flathead County, Montana connecting the city of Whitefish to the Whitefish Mountain Resort at Big Mountain.

S-487 begins at the junction with U.S. Highway 93 (US 93, 2nd Street) in Whitefish. It follows Baker Avenue, turning into Wisconsin Avenue when it crosses the BNSF railroad tracks west of the historic Amtrak station. S-487 turns west on Lakeshore Drive, before turning north onto Big Mountain Road and winding its way up to the Whitefish Mountain Resort at Big Mountain.

S-487 passes through mostly rural and forest landscape north of Whitefish, and wildlife crossings should be expected at all times as animals search for food and water.

S-487 is a paved two-lane road throughout, and is listed in the state road log as a combined urban and secondary route. Corridor C000487 comprises U-12001 (Baker Avenue/Wisconsin Avenue/Lakeshore Drive/Big Mountain Road) and S-487. Big Mountain Road was created in 1947 when the ski resort was established, and has been signed as a state secondary route since at least 1963.

Secondary Highway 503

Secondary Highway 503 markerSecondary Highway 503
LocationFlathead County
Length12.166 mi (19.579 km)
Existed1967–present

Secondary Highway 503 (S-503) is a 12.166-mile-long (19.579 km) secondary state highway in Flathead County serving Foys Lake and Foys Canyon residents southwest of Kalispell.

S-503 begins at the junction with U.S. Highway 2 (US 2) and Meridian Road. It follows Meridian Road south to the southwest corner of the city limits of Kalispell. It meets the new US 93 Alternate at a roundabout, and proceeds west and southward on Foys Lake Road along Foys Lake and providing access to the Lone Pine State Park before heading southeast into Foys Canyon. S-503 turns north and emerges from the canyon at Rocky Cliff Drive and continues northward as Airport Road to its second roundabout with US 93 Alternate and passes the Kalispell city airport before reaching its terminus at US 93 and 13th Street East.

S-503 passes through mostly rural landscape outside the Kalispell city limits, and wildlife crossings should be expected at all times as animals search for food and water.

S-503 is now a paved two-lane road throughout, with the former gravel segment through Foys Canyon finally being reconstructed to paved state highway standards in 2002 to reduce dust pollution in the valley. In the state road log, S-503 is a combined urban and secondary route, but is only currently signed outside the Kalispell city limits. Corridor C000503 comprises U-6713 (Meridian Road), S-503, and U-6730 (Airport Road).

Secondary Highway 508

Secondary Highway 508 markerSecondary Highway 508
LocationLincoln County
Length29.272 mi (47.109 km)

Secondary Highway 508 (S-508) is a secondary highway in far northwestern Montana. It begins at a junction with State Highway 37 (MT 37) and heads north-northeast to the town of Yaak where it ends at S-567. It is also known as Yaak River Road, and is located completely within Lincoln County.

Secondary Highway 537

Secondary Highway 537 markerSecondary Highway 537
LocationValley County
Length23.126 mi (37.218 km)

Secondary Highway 537 (S-537) is a secondary highway in northeast Montana. It begins at a junction with U.S. Highway 2 (US 2) and heads north out of the town of Hinsdale where it turns into Hinsdale North Road as it heads towards the Canadian Border. It is located completely within Valley County.

Secondary Highway 548

Secondary Highway 548 markerSecondary Highway 548
LocationFlathead County
Length6.521 mi (10.495 km)
Existed1969–present

Secondary Highway 548 (S-548), also known as West Reserve Drive and Old Reserve Drive, is a 6.521-mile-long (10.495 km) secondary state highway in Flathead County, Montana connecting S-424 across the northern rural areas of Kalispell to U.S. Highway 2 (US 2) in Evergreen.

S-548 begins at the junction with S-424 and McMannamy Draw. It proceeds east as Old Reserve Drive across rolling and flat terrain. It reaches Stillwater Road and passes Glacier High School before meeting the new US 93 Alternate and joining it for its last half mile (0.8 km) to US 93. Now under its original name, West Reserve Drive, S-548 proceeds east across the Stillwater River, intersects with Whitefish Stage Road, descends a hill, and crosses the Whitefish River before reaching its terminus at US 2 in Evergreen.

S-548 passes through mostly rural landscape outside the Kalispell city limits, and wildlife crossings should be expected at all times as animals search for food and water.

Prior to the realignment caused by the US 93 Alt. construction, S-548 was known throughout as West Reserve Drive, based on Evergreen's east/west divider at LaSalle Road (today's US 2).

S-548 is a paved two-lane road throughout, except for the four-lane segment where it is overlaid on US 93 Alt. and across US 93 east to Hutton Ranch Road. In the state road log, S-548 is a combined urban and secondary route. Corridor C000548 comprises S-548 and U-6737 (West Reserve Drive/Old Reserve Drive/Reserve Place).

Past US 2, East Reserve Drive (urban route U-6708) extends another 1.001 miles (1.611 km) to Helena Flats Road (U-6712) before coming totally under county construction, funding, and maintenance. East Reserve and Helena Flats provide a de facto rural bypass from north Evergreen, connecting the terminus of S-548 east and south to Montana Highway 35 (MT 35).

See also

References

  1. ^ Montana State Highway Commission (1960). State Highway Map (PDF) (Map). Helena: Montana State Highway Commission. Retrieved February 14, 2015.
  2. "Federal-Aid Road Log" (PDF). Helena: Montana Highway Department. January 1, 1943. Retrieved May 5, 2017 – via Archive.org.
  3. ^ Montana Department of Transportation (2013). "Montana Road Log" (PDF). Montana Department of Transportation. Retrieved February 8, 2015.
  4. Promotion Division (1985). State Highway Map (PDF) (Map). Helena: Montana Department of Transportation. Retrieved February 14, 2015.
  5. ^ Montana Department of Transportation (January 19, 2022). "ALTIS Road Log Report" (PDF). Helena: Montana Department of Transportation. p. 258. Retrieved February 13, 2017.
  6. Montana Department of Transportation (2016). Montana Official Highway Map (Map). 1:633,600. Helena: Montana Department of Transportation. §§ A3–B3, B4–D4, D5, D6–I6.
  7. Montana Department of Transportation (January 19, 2022). "ALTIS Road Log Report" (PDF). Helena: Montana Department of Transportation. p. 382. Retrieved February 13, 2017.
  8. "Overview Map of S-326" (Map). Google Maps. Retrieved September 13, 2011.
  9. ^ Rodriquez, Ismael Jr. (February 2021). "Doolittle Raider Memorialized in Montana". VFW Magazine. Vol. 108, no. 5. Veterans of Foreign Wars. p. 46.
  10. Montana State Highway Commission (1935). State Highway Map (PDF) (Map). Helena: Montana State Highway Commission. Retrieved February 14, 2015.
  11. ^ "North Fork Flathead Road Corridor Study". Montana Department of Transportation. 2010. Retrieved February 11, 2015.
  12. Montana Department of Transportation (January 19, 2022). "ALTIS Road Log Report" (PDF). Helena: Montana Department of Transportation. p. 349. Retrieved August 20, 2015.
  13. "Yaak, Mt 59935" (Map). Google Maps. Retrieved August 18, 2015.
  14. Montana Department of Transportation (January 19, 2022). "ALTIS Road Log Report" (PDF). Helena: Montana Department of Transportation. p. 235. Retrieved May 14, 2016.
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