List of secondary highways in Montana
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| Montana Secondary Highways | |
|---|---|
Highway marker for S-236 and S-323 | |
| System information | |
| Maintained by MDT | |
| Formed | 1942 |
| 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 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,[1] even though the secondary system was established in 1942.[2] 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 | 1952 | current | ||
 S-202
|
34.646 | 55.757 | MT 200 west of Noxon | US 2 east of Troy | 1945 | 1977 | Replaced by MT 56 | |
| S-202
|
2.662 | 4.284 | MT 23 near Sidney | McKenzie County Route 38 near Sidney | 1977 | current | ||
 S-203
|
11.983 | 19.285 | S-269 north of Stevensville | US 93 in Florence | 1952 | current | ||
 S-204
|
1.596 | 2.569 | Milk River near Dodson | US 2 in Dodson | 1952 | current | ||
 S-205
|
— | — | Upper Lynch Creek Road north of Plains | US 10 Alternate (now MT 200) in Plains | 1945 | 1945 | ||
 S-205
|
24.361 | 39.205 | I-90 at Three Forks | S-411 near Bozeman | 1976 | current | ||
 S-206
|
9.741 | 15.677 | MT 35 east of Evergreen | US 2 near Columbia Falls | 1945 | current | ||
 S-207
|
— | — | S-208 | US 93 in Kalispell | 1945 | 1977 | Now Lower Valley Road | |
| S-207
|
21.862 | 35.183 | US 87/MT 3/MT 200 near Moccasin | MT 81 in Denton | 1978 | current | ||
 S-208
|
— | — | US 93 north of Somers | MT 35 north of Bigfork | 1945 | 1977 | Replaced by MT 82 | |
| S-208
|
9.412 | 15.147 | US 191 in Phillips County | Whitewater | 1978 | current | ||
 S-209
|
4.861 | 7.823 | MT 35 at Bigfork | MT 83 near Ferndale | 1945 | current | Partially replaced by MT 83 in 1977 | |
 S-210
|
9.855 | 15.860 | MT 200 at Missoula | I-90/US 12 at Clinton | 1976 | current | Former U.S. 10 | |
 S-211
|
9.757 | 15.702 | Flathead River near Ronan | US 93 in Ronan | 1945 | current | Round Butte Road | |
 S-212
|
17.285 | 27.818 | MT 200 near Dixon | US 93 near Charlo | 1945 | current | ||
 S-213
|
39.513 | 63.590 | US 2 in Cut Bank | Hwy 62 at the Port of Del Bonita | 1945 | current | ||
 S-214
|
32.828 | 52.832 | S-213 near Cut Bank | I-15 at Sweet Grass | 1945 | current | ||
 S-215
|
21.299 | 34.277 | S-213 near Cut Bank | I-15 near Oilmont | 1945 | current | ||
 S-216
|
— | — | I-15 near Valier | US 89 | 1945 | 1977 | Replaced by MT 44 | |
| S-216
|
— | — | Marysville | S-279 in Silver City | 1981 | 1993 | Now Marysville Road | |
 S-217
|
— | — | US 89 in Dupuyer | US 91 in Conrad | 1945 | 1945 | now S-534 | |
 S-217
|
14.087 | 22.671 | S-343 near Whitlash | S-409 at Whitlash | 1976 | current | ||
 S-218
|
29.253 | 47.078 | I-15 Bus in Conrad | S-225 near Tiber Dam | 1945 | current | ||
 S-219
|
19.818 | 31.894 | US 89 near Pendroy | I-15 Bus near Conrad | 1945 | current | ||
 S-220
|
17.940 | 28.872 | S-221 near Choteau | S-219 east of Pendroy | 1945 | current | ||
 S-221
|
24.444 | 39.339 | US 89 at Choteau | I-15/S-379 near Dutton | 1945 | current | ||
 S-222
|
— | — | — | — | 1945 | 1945 | ||
 S-222
|
3.589 | 5.776 | I-15/S-278 south of Dillon | I-15 Bus. at Dillon | 1976 | current | ||
 S-223
|
52.901 | 85.136 | US 87/MT 80 near Fort Benton | US 2 in Chester | 1945 | current | ||
 S-224
|
18.950 | 30.497 | US 2 near Joplin | 1200 Road S near Whitlash | 1945 | current | ||
 S-225
|
56.220 | 90.477 | US 87 in Great Falls | S-366 near Tiber Dam | 1945 | current | ||
 S-226
|
14.560 | 23.432 | Eden | US 87/US 89/MT 3 in Great Falls | 1945 | current | ||
 S-227
|
16.756 | 26.966 | S-226 near Eden | US 87/US 89/MT 3/MT 200 near Great Falls | 1945 | current | ||
 S-228
|
42.633 | 68.611 | US 87/US 89/MT 3/MT 200 near Great Falls | MT 80 near Fort Benton | 1945 | current | ||
 S-229
|
— | — | — | — | 1945 | 1954 | ||
 S-229
|
2.592 | 4.171 | Helena city limits | S-279 near Helena | 1976 | current | ||
 S-230
|
— | — | US 87 at Stanford | US 87 at Fort Benton | 1945 | 1977 | Not built until 1945; replaced by MT 80 | |
| S-230
|
— | — | East of Laurel | S-429 (Shiloh Road) in Billings | 1982 | 1993 | I-90 south frontage road | |
 S-231
|
— | — | US 2 in Rudyard | Goldstone | 1945 | 1977 | Restored as S-255 in 1984 | |
| S-231
|
5.674 | 9.131 | US 12 in Helena | S-279 near Helena | 1983 | current | ||
 S-232
|
42.784 | 68.854 | US 2 in Havre | Hwy 41 at the Port of Wild Horse, Alberta | 1945 | current | ||
 S-233
|
30.482 | 49.056 | S-232 near Havre | Hwy 21 at the Port of Willow Creek | 1945 | current | ||
 S-234
|
21.662 | 34.862 | Rocky Boys Indian Reservation | US 2 in Havre | 1945 | current | ||
 S-235
|
— | — | S-230 near Coffee Creek | US 191 at Brooks | 1945 | 1977 | Replaced by MT 81 | |
| S-235
|
5.610 | 9.028 | MT 85 near Bozeman | S-412 in Bozeman | 1983 | current | ||
 S-236
|
88.235 | 142.000 | US 191 at Hilger | US 87 at Big Sandy | 1945 | current | ||
 S-237
|
2.478 | 3.988 | S-426 near Hanover | US 87 Business/US 191 Business at Lewistown | 1945 | current | ||
 S-238
|
68.888 | 110.864 | US 2 in Ryegate | US 89/MT 200 in Lewistown | 1945 | current | ||
 S-239
|
11.666 | 18.775 | Utica | US 87/MT 3/MT 200 in Hobson | 1945 | current | ||
 S-240
|
25.333 | 40.770 | Cleveland | US 2 in Chinook | 1945 | current | ||
 S-241
|
43.220 | 69.556 | US 2 at Harlem | Hwy 37 at the Port of Turner | 1945 | current | ||
 S-242
|
— | — | Port of Morgan at the Saskatchewan border | Malta | 1945 | 1993 | Replaced by US 191 | |
 S-243
|
21.185 | 34.094 | US 2 near Bowdoin National Wildlife Refuge | US 2 in Saco | 1945 | current | ||
 S-244
|
24.702 | 39.754 | US-87 north of Roundup | MT 200 in Winnett | 1945 | current | ||
 S-245
|
37.826 | 60.875 | Brusett | MT 200 in Jordan | 1945 | current | ||
 S-246
|
11.548 | 18.585 | Tampico | MT 42 in Glasgow | 1945 | current | ||
 S-247
|
— | — | Port of Opheim | US-2 in Glasgow | 1945 | 1977 | Replaced by MT 24 | |
| S-247
|
6.260 | 10.074 | S-322 near Mill Iron | Webster | 1983 | current | ||
 S-248
|
46.134 | 74.245 | MT 24 in Opheim | MT 13 in Scobey | 1945 | current | Old route of MT 5 | |
 S-249
|
— | — | MT 24 at Fort Peck | US 2 at Nashua | 1945 | 1977 | Replaced by MT 117 | |
| S-249
|
11.775 | 18.950 | MT 287 near Ennis | US 287 near Cameron | 1984 | current | ||
 S-250
|
49.416 | 79.527 | US 2 near Wolf Point | MT 13 near Volt | 1945 | current | ||
 S-251
|
52.109 | 83.861 | US 2 near Poplar | MT 5/S-511 near Flaxville | 1945 | current | ||
 S-252
|
23.438 | 37.720 | MT 200 near Circle | Horse Creek | 1945 | current | ||
 S-253
|
46.913 | 75.499 | I-94 in Terry | MT 200 in Brockway | 1945 | current | ||
 S-254
|
67.705 | 108.961 | MT 16 in Glendive | MT 13 near Vida | 1945 | current | ||
 S-255
|
— | — | — | — | 1945 | — | ||
 S-255
|
24.936 | 40.131 | US 2 in Rudyard | Goldstone | 1984 | current | ||
 S-256
|
— | — | MT 15 in Plentywood | Hwy 6 near Port of Raymond | 1945 | 1977 | Replaced by MT 16 | |
 S-257
|
5.772 | 9.289 | I-90 in Superior | Trout Creek | 1952 | current | ||
 S-258
|
19.800 | 31.865 | MT 16 in Reserve | ND 50 at North Dakota border | 1945 | current | ||
 S-259
|
— | — | — | — | 1945 | 1954 | ||
 S-259
|
10.073 | 16.211 | S-360 near White Sulphur Springs | US 89 at Newlan Creek | 1984 | current | ||
 S-260
|
— | — | Lambert | MT 14/MT 16 in Sidney | 1945 | 1950 | Replaced by MT 23 (later MT 20; now MT 200) | |
 S-260
|
3.577 | 5.757 | Bobtail Road near Libby | S-567 near Libby | 1986 | current | ||
 S-261
|
51.446 | 82.794 | I-94 in Wibaux | MT 23 in Sidney | 1945 | current | Former MT 7 | |
 S-262
|
— | — | County Road southeast of St. Regis | S-257 in Superior | 1945 | 1977 | Now Diamond Road and Southside Road | |
 S-263
|
14.786 | 23.796 | I-90 in Frenchtown | US 93 in Missoula | 1945 | current | ||
 S-264
|
— | — | S-266 in Missoula | S-265 in Missoula | 1945 | 1974 | Now 3rd Street and Clements Road | |
 S-265
|
— | — | S-266 in Missoula | S-264 in Missoula | 1945 | 1974 | Now South Avenue | |
 S-266
|
— | — | US 12 in Missoula | S-390 in Missoula | 1945 | 1974 | Now Higgins Avenue | |
 S-267
|
— | — | Sawmill Gulch Road | MT 200 in Missoula | 1945 | 1993 | Now Van Buren Street and Rattlesnake Drive | |
 S-268
|
— | — | — | — | 1945 | 1977 | ||
 S-269
|
21.284 | 34.253 | US 93/S-531 in Hamilton | US 93 in Stevensville | 1945 | current | ||
 S-270
|
— | — | Capitol | S-323 in Albion | 1953 | 1993 | ||
 S-271
|
22.319 | 35.919 | I-90 in Drummond | MT 141 near Helmville | 1945 | current | Partially replaced by MT 141 in 1978 | |
 S-272
|
2.024 | 3.257 | S-271 near Helmville | US 12 in Avon | 1945 | 1977 | Replaced by MT 141 | |
| S-272
|
2.024 | 3.257 | Montana State Prison | S-275 in Deer Lodge | 1987 | current | ||
 S-273
|
12.181 | 19.603 | MT 48 near Opportunity | I-90 in Galen | 1945 | current | ||
 S-274
|
— | — | MT 43 near Wise River | MT 1 near Opportunity | 1945 | 1985 | Restored in 2001 as S-569 | |
 S-275
|
— | — | — | — | 1945 | 1977 | ||
| S-275
|
3.045 | 4.900 | I-90 in Deer Lodge | I-90 near Deer Lodge | 1987 | current | ||
 S-276
|
7.863 | 12.654 | I-90 near Rocker | Rocker | 1945 | current | ||
 S-277
|
33.556 | 54.003 | US 212 in Hammond | S-323 near Ridgeway | 1952 | current | ||
 S-278
|
61.092 | 98.318 | MT 43 in Wisdom | I-15/S-222 in Dillon | 1945 | current | ||
 S-279
|
38.965 | 62.708 | I-15/US 287/S-453 in Helena | MT 200 near Flesher Pass | 1945 | current | ||
 S-280
|
16.050 | 25.830 | I-15 in Helena | Trout Creek Canyon | 1945 | current | ||
 S-281
|
— | — | MT 2 at Cardwell | I-15 at Boulder | 1945 | 1977 | Replaced by MT 69 | |
 S-282
|
— | — | — | — | 1945 | 1945 | ||
 S-282
|
3.575 | 5.753 | Jack Mountain | I-15/S-518 near Montana City | 1987 | current | ||
 S-283
|
6.434 | 10.355 | Pony | US 287 in Harrison | 1945 | current | ||
 S-284
|
42.073 | 67.710 | US 12/US 287 near Canyon Ferry | US 12 near Townsend | 1945 | current | ||
 S-285
|
9.371 | 15.081 | Radersburg | US 287 in Toston | 1945 | current | ||
 S-286
|
3.930 | 6.325 | S-205 near Three Forks | Trident | 1945 | current | ||
 S-287
|
7.931 | 12.764 | MT 2 in Three Forks | Williams Bridge Road south of Willow Creek | 1945 | current | ||
 S-288
|
16.176 | 26.033 | S-347 in Amsterdam | I-90/S-346 in Manhattan | 1945 | current | ||
 S-289
|
— | — | US 287 in Norris | US 191/S-291 near Four Corners | 1945 | 1977 | Replaced by MT 84 | |
 S-290
|
16.247 | 26.147 | S-205 in Belgrade | 16 Mile Creek near Maudlow | 1945 | current | ||
 S-291
|
0.826 | 1.329 | S-205 in Belgrade | I-90/MT 85 in Belgrade | 1945 | 2001 | Now Jackrabbit Lane; partially replaced by MT 85 in 1977 | |
 S-292
|
— | — | — | — | 1945 | 1977 | ||
| S-292
|
8.789 | 14.145 | S-548 in Evergreen | MT 40 near Whitefish | 1996 | current | ||
 S-293
|
— | — | US 191/I-90 Bus. in Bozeman | US 89 near Wilsall | 1945 | 1977 | Replaced by MT 86 | |
 S-294
|
29.169 | 46.943 | US 89 near Horse Butte | US 12 near Martinsdale | 1945 | current | ||
 S-295
|
16.379 | 26.359 | I-90 near Livingston | I-90 near Mission | 1945 | current | ||
 S-296
|
— | — | US 12 in Two Dot | Lebo Lake | 1945 | 1977 | Now Two Dot Highway | |
 S-297
|
37.818 | 60.862 | US 12/MT 3 in Shawmut | MT 3 in Judith Gap | 1945 | current | ||
 S-298
|
25.655 | 41.288 | Boulder Ranger Station | US 191 in Big Timber | 1945 | current | ||
 S-299
|
— | — | — | — | 1945 | 1977 | ||
 S-300
|
13.341 | 21.470 | Big Coolie Creek | US 12/MT 3/S-238 in Ryegate | 1945 | current | ||
 S-301
|
— | — | MT 6 in Lavina | I-90 in Billings | 1945 | 1956 | Replaced by MT 3 | |
 S-302
|
14.322 | 23.049 | Molt | MT 3 in Billings | 1945 | current | ||
 S-303
|
— | — | — | — | 1945 | 1977 | ||
 S-304
|
— | — | Shepherd | US 312 | 1945 | 1977 | Now Shepherd Road | |
 S-305
|
— | — | Laurel | S-302 in Billings | 1945 | 1977 | Now 72nd Street and S-532 (King Avenue) | |
 S-306
|
25.273 | 40.673 | MT 78 in Columbus | Rapelje | 1945 | current | ||
 S-307
|
— | — | US 212 at Red Lodge | I-90 at Columbus | 1945 | 1977 | Replaced by MT 78 | |
 S-308
|
14.383 | 23.147 | US 212 in Red Lodge | MT 72 in Belfry | 1945 | current | Partially replaced by MT 72 | |
 S-309
|
— | — | — | — | 1945 | 1972 | ||
 S-310
|
41.348 | 66.543 | I-94 in Custer | US 12 near Musselshell | 1945 | current | ||
 S-311
|
25.915 | 41.706 | S-310 in Myers | I-94 in Hysham | 1945 | current | ||
 S-312
|
— | — | — | — | 1945 | 1962 | ||
 S-313
|
38.588 | 62.101 | Fort Smith | MT 47 in Hardin | 1945 | current | ||
 S-314
|
44.342 | 71.362 | WYO 338 near Decker | US 212 near Busby | 1946 | current | ||
 S-315
|
— | — | US 212 in Lame Deer | North of I-94 near Forsyth | 1945 | 1977 | Replaced by MT 45 | |
 S-316
|
— | — | — | — | 1945 | 1945 | ||
 S-317
|
3.503 | 5.638 | US 93 in Kalispell | MT 35 in Kalispell | 1953 | c. 2012 | ||
 S-318
|
— | — | Swords Park | Billings Municipal Airport | 1945 | 1974 | Now East Airport Road | |
 S-319
|
— | — | US 212 near Broadus | Wyoming border south of Biddle | 1945 | 1967 | Replaced by MT 59 | |
 S-320
|
6.070 | 9.769 | US 12 near Plevna | Ismay | 1945 | current | ||
 S-321
|
— | — | — | — | 1945 | 1977 | ||
 S-322
|
26.908 | 43.304 | Medicine Rocks | MT 7 near Baker | 1945 | current | ||
 S-323
|
71.126 | 114.466 | US 212/S-326 in Alzada | MT 7 in Ekalaka | 1945 | current | ||
 S-324
|
34.429 | 55.408 | SH 29 at Bannock Pass | I-15 near Clark Canyon Dam | 1945 | current | ||
 S-325
|
13.353 | 21.490 | US 2 in Chinook | North Chinook Reservoir | 1946 | current | ||
 S-326
|
— | — | MT 35 in Bigfork | S-209 near Bigfork | 1954 | 1977 | Replaced by MT 83 | |
| S-326
|
1.683 | 2.709 | WYO 112 near Alzada | US 212/S-323 in Alzada | 1990 | current | Formerly S-492 | |
 S-327
|
15.043 | 24.209 | ND 1804 at Fort Union | US 2 Bainville | 1953 | current | ||
 S-328
|
— | — | MT 3 in Broadview | MT 3 in Acton | 1953 | 1977 | Now 21 Mile Road and Oswald Road | |
| S-328
|
18.843 | 30.325 | S-323 near Ekalaka | SD 20 near Capitol | 1994 | current | ||
 S-329
|
— | — | — | — | 1945 | 1977 | ||
 S-330
|
36.924 | 59.423 | MT 68 in Cascade | I-15 in Ulm | 1945 | current | ||
 S-331
|
10.072 | 16.209 | US 87/US 89 in Belt | S-228 near Highwood | 1945 | current | ||
 S-332
|
50.391 | 81.096 | S-447 near Brandenburg | MT 59 near Twelve Mile Dam | 1945 | current | ||
 S-333
|
— | — | US 12 east of Miles City | Mizpah | 1945 | 1983 | Now Mizpah Road and Trail Creek Road | |
 S-334
|
— | — | Port of Scobey | MT 5 in Scobey | 1945 | 1962 | Replaced by MT 13 | |
 S-334
|
3.760 | 6.051 | Beaver Creek Reservoir | US 87 in Laredo | 1994 | current | ||
 S-335
|
14.598 | 23.493 | Balier Reservoir | I-94 in Glendive | 1945 | current | ||
 S-336
|
14.595 | 23.488 | MT 7 near Rush Hall | ND 16 near Carlyle | 1945 | current | ||
 S-337
|
— | — | — | — | 1956 | 1957 | ||
 S-338
|
21.558 | 34.694 | S-241 near Harlem | Hogeland | 1954 | current | ||
 S-339
|
— | — | US 89 near Wilsall | Smith Creek Road northeast of Wilsall | 1954 | 1977 | Now Shields River Road | |
 S-340
|
18.501 | 29.774 | Mildred | I-94 in Fallon | 1954 | current | ||
 S-341
|
21.930 | 35.293 | MT 200 near Jordan | Fort Peck Lake | 1954 | current | ||
 S-342
|
0.859 | 1.382 | US 212 near Crow Agency | Little Big Horn Battlefield | 1954 | current | ||
 S-343
|
43.227 | 69.567 | I-15/S-215 in Oilmont | US 2 near Galata | 1954 | current | ||
 S-344
|
35.648 | 57.370 | US 2 in Brockton | MT 16 in Froid | 1954 | current | ||
 S-345
|
12.036 | 19.370 | US 191 in Gallatin Gateway | Kagy Boulevard in Bozeman | 1951 | current | ||
 S-346
|
7.975 | 12.835 | I-90/S-288 in Manhattan | S-290 at Manhattan city limits | 1946 | current | ||
 S-347
|
6.226 | 10.020 | S-288 in Amsterdam | MT 85 in Belgrade | 1945 | current | ||
 S-348
|
13.974 | 22.489 | Gilles | MT 1 in Philipsburg | 1945 | current | ||
 S-349
|
— | — | — | — | 1954 | 1977 | ||
 S-350
|
5.487 | 8.830 | Homestead | MT 16 near Medicine Lake | 1954 | current | ||
 S-351
|
— | — | — | — | 1945 | 1954 | ||
 S-352
|
5.093 | 8.196 | US 93 in Dayton | Lake Mary Ronan | 1945 | current | ||
 S-353
|
— | — | Round Butte | Moiese | 1945 | 1977 | ||
 S-354
|
8.002 | 12.878 | Helena | — | 1945 | current | ||
 S-355
|
— | — | Helena | — | 1954 | 1974 | ||
 S-356
|
— | — | US 12 in Helena | Central Avenue in Helena | 1945 | 1977 | Formerly ended at S-279 near Birdseye | |
 S-357
|
26.800 | 43.130 | Ruby River Reservoir | MT 287 in Alder | 1945 | current | ||
 S-358
|
27.838 | 44.801 | MT 44 in Valier | US 2 in Cut Bank | 1954 | current | ||
 S-359
|
15.964 | 25.692 | US 287 north of Harrison | MT 2/MT 69 northwest of Cardwell | 1945 | current | ||
 S-360
|
18.217 | 29.317 | Fort Logan | US 12/US 89 in White Sulphur Springs | 1945 | current | ||
 S-361
|
— | — | — | — | 1945 | 1947 | ||
 S-361
|
— | — | — | — | 1975 | 1983 | ||
 S-362
|
— | — | — | — | 1945 | 1977 | now S-571 | |
 S-363
|
11.203 | 18.029 | US 2 in Dodson | US 191 in Malta | 1945 | current | ||
 S-364
|
— | — | US 191 in Malta | South Black Coulee Road near Malta | 1945 | 1977 | ||
 S-365
|
24.231 | 38.996 | Brady | S-225 near Carter | 1945 | current | ||
 S-366
|
49.245 | 79.252 | I-15 near Ledger | S-223 near Chester | 1945 | current | ||
 S-367
|
— | — | — | — | 1945 | 1977 | ||
 S-368
|
— | — | — | — | 1945 | 1977 | ||
 S-369
|
— | — | — | — | 1945 | 1977 | ||
 S-370
|
1.954 | 3.145 | US 93 near Victor | S-203 near Stevensville | 1945 | current | ||
 S-371
|
— | — | Melville | Twodot | 1945 | 1977 | ||
 S-372
|
— | — | — | — | 1945 | 1977 | ||
 S-373
|
4.529 | 7.289 | US 93 in Woodside | Corvallis | 1945 | current | ||
 S-374
|
6.503 | 10.466 | MT 5 in Archer | Outlook | 1945 | current | ||
 S-375
|
— | — | Continental Drive—downtown Butte | US 10 southeast of Butte | 1945 | 1993 | ||
 S-376
|
— | — | Fort Belknap Agency | US 191 near Landusky | 1956 | 1977 | Replaced by MT 66 | |
 S-377
|
— | — | Stevensville | Bitterroot National Forest | 1955 | 1977 | ||
 S-378
|
— | — | — | — | 1945 | 1977 | ||
 S-379
|
18.008 | 28.981 | I-15/S-221 near Dutton | S-225 near Carter | 1945 | current | ||
 S-380
|
— | — | — | — | 1955 | 1977 | ||
 S-381
|
16.370 | 26.345 | Colding Creek | US 12 near Roundup | 1945 | current | ||
 S-382
|
15.703 | 25.272 | MT 28 near Hot Springs | MT 200 in Perma | 1945 | current | ||
 S-384
|
— | — | — | — | 1955 | 1977 | ||
| S-384
|
57.052 | 91.816 | MT 47 in Hardin | I-94 near Sanders | 1945 | current | ||
 S-385
|
— | — | — | — | 1945 | 1977 | ||
 S-386
|
1.534 | 2.469 | US 87 in Kershaw | MT 80 in Fort Benton | 1945 | current | ||
 S-387
|
2.646 | 4.258 | MT 80 in Fort Benton | US 87 in Loma | 1945 | current | ||
 S-388
|
— | — | — | — | 1955 | 1977 | ||
 S-389
|
— | — | — | — | 1945 | 1977 | ||
 S-390
|
— | — | US 12 in Missoula | US 12 in Missoula | 1945 | 1974 | Now 39th Street and Russell Street | |
 S-391
|
16.563 | 26.656 | Yarger | US 212/MT 59 in Broadus | 1945 | current | ||
 S-392
|
— | — | — | — | 1945 | 1963 | ||
 S-393
|
6.594 | 10.612 | Newcomb | MT 2 in Butte | 1945 | current | ||
 S-394
|
— | — | — | — | 1945 | 1977 | ||
 S-395
|
— | — | — | — | 1946 | 1962 | ||
 S-396
|
16.908 | 27.211 | S-211 in Harlem | Coburg | 1946 | current | Former routing of US 2 | |
 S-397
|
— | — | Belfry | Wyoming border | 1945 | 1977 | 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 | 1946 | 1956 | Replaced by S-273 | |
 S-398
|
7.009 | 11.280 | US 212/MT 59 in Broadus | Powderville | 2000 | current | Formerly S-402 | |
 S-399
|
25.228 | 40.601 | I-90/MT 55 in Whitetail | MT 69 in Boulder | 1946 | current | ||
 S-400
|
12.335 | 19.851 | Buffalo | S-239 near Hobson | 1946 | current | ||
 S-401
|
— | — | — | — | 1946 | 1977 | Replaced by MT 55 | |
| S-401
|
7.903 | 12.719 | S-532 near Laurel | S-302 near Molt | 1987 | current | ||
 S-402
|
7.009 | 11.280 | US 212/MT 59 in Broadus | Powderville | 1946 | 1987 | Now S-398 | |
 S-403
|
— | — | — | — | 1946 | 1974 | ||
 S-404
|
— | — | Brockton | — | 1946 | 1977 | ||
 S-405
|
28.371 | 45.659 | US 2 near Bainville | MT 16 in Froid | 1946 | current | ||
 S-406
|
— | — | — | — | 1946 | 1965 | ||
 S-407
|
— | — | — | — | 1946 | 1977 | ||
 S-408
|
19.568 | 31.492 | US 287 near Gilman | US 89 in Fairfield | 1946 | current | ||
 S-409
|
40.499 | 65.177 | US 2 in Chester | MWYO 880 near Whitlash | 1946 | current | ||
 S-410
|
— | — | — | — | 1946 | 1977 | ||
 S-411
|
10.744 | 17.291 | S-205/S-570 in Bozeman | Springhill Cemetery | 1946 | current | ||
 S-412
|
— | — | — | — | 1947 | 1977 | ||
| S-412
|
0.349 | 0.562 | S-411 near Bozeman | S-205 bridge in Bozeman | 1995 | current | ||
 S-413
|
24.709 | 39.765 | MT 7 near Carlyle | MT 7 near Saint Phillip | 1948 | current | ||
 S-414
|
— | — | — | — | 1948 | 1977 | ||
 S-415
|
— | — | — | — | 1950 | 1977 | ||
 S-416
|
14.113 | 22.713 | S-418 near Pryor | I-90/US 212 in Billings | 1950 | current | ||
 S-417
|
16.530 | 26.602 | S-366 near Ledger | US 2 near Shelby | 1950 | current | ||
 S-418
|
— | — | — | — | 1951 | 1977 | ||
| S-418
|
16.124 | 25.949 | S-416 near Pryor | Pryor | 2000 | current | ||
 S-419
|
21.254 | 34.205 | Limestone | MT 78 near Absarokee | 1951 | current | ||
 S-420
|
6.929 | 11.151 | S-419 in Nye | MT 78 near Absarokee | 1951 | current | ||
 S-421
|
18.167 | 29.237 | MT 78 near Columbus | US 212 near Joliet | 1951 | current | ||
 S-422
|
8.521 | 13.713 | MT 41 in Silver Star | MT 55 near Waterloo | 1951 | current | ||
 S-423
|
— | — | — | — | 1951 | 1977 | ||
 S-424
|
17.108 | 27.533 | US 93 in Kalispell | US 93 west of Whitefish | 1951 | current | ||
 S-425
|
— | — | Roscoe | Fishtail | 1951 | 1977 | ||
 S-426
|
26.573 | 42.765 | US 87/MT 3/MT 200 near Kolin | US 191 in Lewistown | 1951 | current | ||
 S-427
|
12.319 | 19.826 | US 89 at Currie Spring | US 87/MT 3/MT 200 in Raynesford | 1951 | current | ||
 S-428
|
— | — | US 191 in Judith Gap | Living Springs Road | 1952 | 1977 | Replaced by an extended S-297 | |
| S-428
|
— | — | Zoo Drive in Billings | S-429 (Shiloh Road) in Billings | 1999 | 2001 | I-90 south Frontage Road | |
 S-429
|
6.392 | 10.287 | Zoo Drive in Billings | S-428 (I-90 Frontage Road) in Billings | 1952 | 2001 | Now Shiloh Road | |
 S-430
|
— | — | — | — | 1955 | 1980 | ||
| S-430
|
3.802 | 6.119 | S-280 in Helena | S-284 near Canyon Creek | 1987 | current | ||
 S-431
|
19.999 | 32.185 | US 89/S-565 near Fairfield | I-15 in Power | 1955 | current | ||
 S-432
|
46.932 | 75.530 | US 2 in Rudyard | US 287/S-223 in Big Sandy | 1955 | current | ||
 S-433
|
— | — | — | — | 1955 | 1977 | ||
 S-434
|
18.032 | 29.020 | I-15 near Wolf Creek | MT 200 near Johnson Mountain | 1955 | current | ||
 S-435
|
— | — | — | — | 1955 | 1977 | ||
| S-435
|
15.361 | 24.721 | US 287 in Augusta | Johnson Mountain | 1987 | current | ||
 S-436
|
— | — | US 2 near Chinook | Saskatchewan border | 1955 | 1977 | Now local Blaine County roads | |
 S-437
|
8.895 | 14.315 | S-285 near Radersburg | US 287 Toston | 1956 | current | ||
 S-438
|
52.465 | 84.434 | US 2 in Nashua | S-248 nearGlentana | 1955 | current | ||
 S-440
|
— | — | — | — | 1955 | 1977 | ||
 S-441
|
7.829 | 12.600 | I-90 near Gregson | MT 1 near Opportunity | 1956 | current | ||
 S-444
|
19.773 | 31.822 | US 2 near Blackfoot | S-213 near Bonita | 1956 | current | ||
 S-445
|
— | — | — | — | 1955 | 1977 | ||
 S-446
|
2.778 | 4.471 | I-94/S-447 in Rosebud | Cartersville | 1956 | current | ||
 S-447
|
52.478 | 84.455 | US 212 in Ashland | I-94/S-446 in Rosebud | 1956 | current | ||
 S-448
|
30.108 | 48.454 | US 87 in Box Elder | US 2/S-449 Gildford | 1955 | current | ||
 S-449
|
16.590 | 26.699 | US 2/S-448 in Gildford | Milk River | 1955 | current | ||
 S-450
|
— | — | — | — | 1955 | 1977 | ||
 S-451
|
— | — | — | — | 1955 | 1960 | ||
 S-451
|
38.047 | 61.231 | WYO 345 south of Wyola | I-90/US 87 north of Wyola | 1988 | current | Formerly US 87 | |
 S-452
|
— | — | — | — | 1955 | 1977 | ||
 S-453
|
5.121 | 8.241 | I-15/US 287/S-279 in Helena | Lake Helena | 1955 | current | ||
 S-454
|
3.330 | 5.359 | Unionville | US 12 in Helena | 1955 | current | ||
 S-455
|
— | — | — | — | 1956 | 1957 | ||
 S-456
|
— | — | — | — | 1955 | 1977 | ||
 S-457
|
— | — | — | — | 1955 | 1970 | ||
 S-457
|
1.506 | 2.424 | S-451 in Wyola | I-90/US 87 near Wyola | 1988 | current | ||
 S-458
|
— | — | — | — | 1956 | 1977 | ||
 S-459
|
— | — | Great Falls | S-226 | 1956 | 1993 | ||
 S-460
|
— | — | — | — | 1956 | 1977 | ||
 S-461
|
— | — | MT 200 near Paradise | St. Regis | 1956 | 1977 | Replaced by MT 135 | |
 S-462
|
38.464 | 61.902 | MT 59 in Rock Springs | MT 200 near Brockway | 1956 | current | ||
 S-463
|
14.202 | 22.856 | Willow Creek Dam | I-90 in Lodge Grass | 1957 | current | ||
 S-464
|
33.671 | 54.188 | US 2/US 89 in Browning | US 89 in Babb | 1957 | current | ||
 S-465
|
— | — | — | — | 1956 | 1977 | ||
 S-466
|
2.160 | 3.476 | Hansons Creek Road near Lewistown | S-238 near Lewistown | 1956 | current | ||
 S-467
|
31.745 | 51.089 | MT 200S in Lindsay | MT 200 in Circle | 1957 | current | ||
 S-468
|
— | — | — | — | 1957 | 1958 | ||
 S-469
|
— | — | — | — | 1956 | 1985 | ||
 S-470
|
24.032 | 38.676 | MT 200S in Lindsay | S-254 in Bloomfield | 1957 | current | ||
 S-471
|
22.069 | 35.517 | NFS Route 9 at Idaho border near Murray, Idaho | MT 200 near Thompson Falls, Montana | 1957 | current | ||
 S-472
|
— | — | — | — | 1956 | 1977 | ||
| S-472
|
16.5 | 26.6 | US 93 in Sula | Reynolds Creek Road near Martin Creek Campground | 1993 | current | ||
 S-473
|
14.394 | 23.165 | Painted Rocks State Park | US 93 near Conner | 1957 | current | ||
 S-474
|
3.859 | 6.210 | S-263 near Frenchtown | I-90/US 93/MT 200 in Wye | 1957 | current | ||
 S-475
|
— | — | — | — | 1956 | 1977 | ||
 S-476
|
— | — | S-540 near Pray | Montanapolis Springs | 1956 | 1977 | ||
 S-477
|
— | — | — | — | 1956 | 1977 | ||
 S-478
|
21.995 | 35.398 | US 191 near Big Timber | Stephens Hill Road near Rapelje | 1957 | current | ||
 S-479
|
— | — | — | — | 1956 | 1977 | ||
 S-480
|
19.696 | 31.698 | S-201 near Richey | US 2 in Sprole | 1957 | current | ||
 S-481
|
— | — | — | — | 1957 | 1977 | ||
 S-482
|
7.176 | 11.549 | US 2 near Libby Creek | US 2 near Libby | 1958 | current | ||
 S-483
|
— | — | Port of Del Bonita | Santa Rita | 1957 | 1977 | Replaced by an extension of S-213 | |
 S-484
|
27.863 | 44.841 | Fort Howe | US 212 near Ashland | 1958 | current | ||
 S-485
|
— | — | Trailcreek | Columbia Falls | 1958 | 1977 | ||
 S-486
|
22.646 | 36.445 | US 2 in Columbia Falls | Camas Creek entrance of Glacier National Park | 1958 | current | ||
 S-487
|
7.223 | 11.624 | US 93 in Whitefish | Whitefish Mountain Resort at Big Mountain | 1958 | current | ||
 S-488
|
— | — | — | — | 1959 | 1981 | ||
 S-489
|
18.006 | 28.978 | MT 59 near Miles City | Kinsey | 1985 | current | ||
 S-490
|
— | — | — | — | 1959 | 1977 | ||
 S-492
|
— | — | — | — | 1959 | 1977 | ||
 S-493
|
4.877 | 7.849 | MT 7 near Baker | Anticline Road near Plevna | 1959 | current | ||
 S-494
|
22.743 | 36.601 | MT 7 in Willard | US 12 in Plevna | 1959 | current | ||
 S-495
|
— | — | Great Falls | — | 1959 | 1977 | ||
 S-496
|
— | — | Bainville | MT 16 | 1959 | 1977 | ||
 S-497
|
— | — | — | — | 1959 | 1977 | ||
 S-498
|
— | — | In Great Falls | — | 1959 | 1974 | Replaced by bypass US 87 | |
 S-499
|
— | — | Follows the north end of Hebgen Lake from MT 287 | US 191 | 1959 | 1964 | Replaced by US 287 in 1964 | |
 S-500
|
30.407 | 48.935 | US 12 near Melstone | MT 200 in Mosby | 1960 | current | ||
 S-501
|
— | — | MT 38 at Grantsdale | Sleeping Child Hot Springs | 1960 | 1977 | ||
 S-502
|
— | — | — | — | 1960 | 1977 | ||
 S-503
|
12.166 | 19.579 | US 93A near Kalispell | US 2 in Kalispell | 1960 | current | ||
 S-504
|
12.847 | 20.675 | S-340 in Marsh | Cabin Creek | 1960 | current | ||
 S-505
|
— | — | Lewistown | Glengarry | 1960 | 1980 | replaced by S-426 | |
 S-506
|
— | — | Yaak | Libby | 1961 | 1977 | Replaced by S-567 | |
 S-507
|
2.533 | 4.076 | I-90 in Alberton | I-90 near Huson | 1961 | current | ||
 S-508
|
29.272 | 47.109 | US 2 near Troy | S-567 in Yaak | 1961 | current | ||
 S-509
|
37.499 | 60.349 | I-15 in Monida | Red Rock Lakes National Wildlife Refuge | 1961 | current | ||
 S-510
|
— | — | Brockway | Dry Ash Creek | 1961 | 1999 | ||
 S-511
|
13.790 | 22.193 | MT 5/S-251 in Flaxville | Whitetail | 1962 | 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 | 1962 | current | ||
 S-513
|
9.663 | 15.551 | Lower Willow Creek Road near Hall | MT 1/S-512 in Hall | 1962 | current | ||
 S-514
|
— | — | Poplar | Plentywood | 1962 | 1977 | ||
 S-515
|
— | — | US 2 | Katy Lake | 1961 | 1977 | part now S-573 | |
| S-515
|
— | — | — | — | 1991 | 2001 | ||
 S-516
|
— | — | — | — | — | — | ||
| S-516
|
6.008 | 9.669 | S-258 near Dagmar | S-517 in Coalridge | 1961 | current | ||
 S-517
|
12.291 | 19.780 | MT 16 near Antelope | S-516 in Coalridge | 1961 | current | ||
 S-518
|
4.468 | 7.191 | I-15/S-282 in Montana City | US 12/US 287 in East Helena | 1961 | current | ||
 S-519
|
— | — | — | — | 1962 | 1978 | ||
 S-520
|
— | — | — | — | 1962 | 1977 | ||
 S-521
|
— | — | — | — | 1962 | 1972 | ||
 S-522
|
2.368 | 3.811 | I-94 in Huntley | Worden | 1962 | current | ||
 S-523
|
— | — | — | — | 1963 | 1977 | ||
 S-524
|
— | — | — | — | 1962 | 1977 | ||
 S-525
|
— | — | — | — | 1962 | 1977 | ||
 S-526
|
— | — | — | — | 1963 | 1977 | ||
 S-527
|
— | — | — | — | 1963 | 1977 | ||
 S-528
|
18.703 | 30.100 | Prairie Elk Road near Oswego | MT 13 near Macon | 1998 | current | ||
 S-529
|
9.959 | 16.027 | Clear Creek Road near Chinook | S-240 in Chinook | 1963 | current | ||
 S-530
|
— | — | — | — | 1963 | 1977 | ||
 S-531
|
6.308 | 10.152 | US 93 in Grantsdale | US 93/S-269 in Hamilton | 1963 | current | ||
 S-532
|
17.628 | 28.370 | I-90/US 212/US 310 in Laurel | I-90/US 212 in Billings | 1964 | current | ||
 S-533
|
— | — | — | — | 1965 | 2005 | ||
 S-534
|
27.894 | 44.891 | US 89 in Dupuyer | S-218 in Conrad | 1964 | current | ||
 S-535
|
— | — | — | — | 1964 | 1974 | ||
 S-536
|
— | — | — | — | 1964 | 1993 | ||
 S-537
|
23.126 | 37.218 | US 2 in Hinsdale | Snake Creek Road near Hinsdale | 1965 | current | ||
 S-538
|
— | — | — | — | 1965 | 1974 | ||
 S-539
|
— | — | — | — | 1965 | 1977 | ||
 S-540
|
31.859 | 51.272 | US 89 near Miner | US 89 near Pine Creek | 1966 | current | ||
 S-541
|
10.691 | 17.205 | S-239 Utica | US 87/MT 3/MT 200 in Windham | 1966 | current | ||
 S-542
|
— | — | — | — | 1967 | 1977 | ||
 S-543
|
24.160 | 38.882 | MT 200 in Jordan | Hell Creek State Park | 1967 | current | ||
 S-544
|
32.937 | 53.007 | MT 59 in Biddle | US 212 in Boyes | 1968 | current | ||
 S-545
|
— | — | — | — | 1968 | 1974 | ||
 S-546
|
— | — | — | — | 1968 | 1977 | ||
 S-547
|
6.477 | 10.424 | MT 81 in Denton | Bear Springs Road near Denton | 1969 | current | ||
 S-548
|
6.521 | 10.495 | US 93 near Whitefish | US 2 in Kalispell | 1969 | current | ||
 S-549
|
— | — | — | — | 1969 | 1993 | ||
 S-551
|
6.515 | 10.485 | US 87/MT 3/MT 200 in Geyser | Braun Creek Road near Geyser | 1971 | current | ||
 S-552
|
33.090 | 53.253 | I-15 at Sunburst | S-343 near Whitlash | 1973 | current | ||
 S-554
|
— | — | — | — | 1971 | 1977 | ||
 S-556
|
44.200 | 71.133 | MT 200 near Snider | US 2 near Happy's Inn | 1971 | current | ||
 S-557
|
— | — | — | — | 1971 | 1974 | ||
 S-558
|
— | — | — | — | 1971 | 1974 | ||
 S-559
|
3.118 | 5.018 | US 93/MT 200 near Arlee | Jocko Canyon Road near Arlee | 1973 | current | ||
 S-563
|
— | — | I-90 near Springdale | Springdale | 1975 | 2001 | ||
 S-564
|
24.992 | 40.221 | US 87 in Carter | S-223 near Loma | 1975 | current | ||
 S-565
|
7.134 | 11.481 | MT 200 in Simms | US 89/S-441 near Fairfield | 1975 | current | ||
 S-566
|
51.835 | 83.420 | S-314 near Tongue River Reservoir State Park | US 212 in Ashland | 1975 | current | ||
 S-567
|
35.943 | 57.845 | MT 37 in Libby | S-508 in Yaak | 1994 | current | ||
 S-568
|
2.673 | 4.302 | I-94 near Pompeys Pillar | Pompeys Pillar | 1976 | current | ||
 S-569
|
— | — | — | — | 1976 | 1981 | ||
| S-569
|
22.020 | 35.438 | MT 43 near Wise River | MT 1 near Opportunity | 2001 | current | formerly S-274 | |
 S-570
|
— | — | S-205/S-411 in Bozeman | I-90 in Bozeman | 2001 | 2012 | ||
 S-571
|
1.168 | 1.880 | US 89 in Emigrant | S-540 near Emigrant | 2001 | current | formerly S-362 | |
 S-572
|
1.750 | 2.816 | S-540 near Emigrant | Chico Hot Springs | 2001 | current | formerly S-542 | |
 S-573
|
14.870 | 23.931 | MT 16 in Medicine Lake | Katy Lake | 2001 | current | formerly part of S-515 | |
 S-574
|
10.970 | 17.655 | I-90 in Huson | US 93/MT 200 near Wye | 2006 | current | ||
| ||||||||
References
- ^ Cite error: Invalid
<ref>tag; no text was provided for refs namedMDTMAP1960 - ^ "Federal-Aid Road Log" (PDF). Helena: Montana Highway Department. January 1, 1943. Retrieved May 5, 2017 – via Archive.org.