List of secondary highways in Montana

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

Montana Secondary Highways

Secondary Highway 236 marker

Secondary Highway 323 marker

Highway 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 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 69.511111.867 MT 13 near VidaMT 200 in Fairview 01952-07-301952current
S-202 34.64655.757 MT 200 west of NoxonUS 2 east of Troy 01945-11-07194501977-03-211977 Replaced by MT 56
S-202 2.6624.284 MT 23 near SidneyMcKenzie County Route 38 near Sidney 01977-03-211977current
S-203 11.98319.285 S-269 north of StevensvilleUS 93 in Florence 01952-07-301952current
S-204 1.5962.569 Milk River near DodsonUS 2 in Dodson 01952-07-301952current
S-205 Upper Lynch Creek Road north of PlainsUS 10 Alternate (now MT 200) in Plains 01945-11-07194501945-01-011945
S-205 24.36139.205 I-90 at Three ForksS-411 near Bozeman 01976-07-011976current
S-206 9.74115.677 MT 35 east of EvergreenUS 2 near Columbia Falls 01945-11-071945current
S-207 S-208US 93 in Kalispell 01945-11-07194501977-01-011977 Now Lower Valley Road
S-207 21.86235.183 US 87/MT 3/MT 200 near MoccasinMT 81 in Denton 01978-03-021978current
S-208 US 93 north of SomersMT 35 north of Bigfork 01945-11-07194501977-01-011977 Replaced by MT 82
S-208 9.41215.147 US 191 in Phillips CountyWhitewater 01978-03-021978current
S-209 4.8617.823 MT 35 at BigforkMT 83 near Ferndale 01945-11-071945current Partially replaced by MT 83 in 1977
S-210 9.85515.860 MT 200 at MissoulaI-90/US 12 at Clinton 01976-07-011976current Former U.S. 10
S-211 9.75715.702 Flathead River near RonanUS 93 in Ronan 01945-11-071945current Round Butte Road
S-212 17.28527.818 MT 200 near DixonUS 93 near Charlo 01945-11-071945current
S-213 39.51363.590 US 2 in Cut BankHwy 62 at the Port of Del Bonita 01945-11-071945current
S-214 32.82852.832 S-213 near Cut BankI-15 at Sweet Grass 01945-11-071945current
S-215 21.29934.277 S-213 near Cut BankI-15 near Oilmont 01945-11-071945current
S-216 I-15 near ValierUS 89 01945-11-07194501977-01-011977 Replaced by MT 44
S-216 MarysvilleS-279 in Silver City 01981-08-12198101993-01-011993 Now Marysville Road
S-217 US 89 in DupuyerUS 91 in Conrad 01945-11-07194501945-01-011945 now S-534
S-217 14.08722.671 S-343 near WhitlashS-409 at Whitlash 01976-07-011976current
S-218 29.25347.078 I-15 Bus in ConradS-225 near Tiber Dam 01945-11-071945current
S-219 19.81831.894 US 89 near PendroyI-15 Bus near Conrad 01945-11-071945current
S-220 17.94028.872 S-221 near ChoteauS-219 east of Pendroy 01945-11-071945current
S-221 24.44439.339 US 89 at ChoteauI-15/S-379 near Dutton 01945-11-071945current
S-222 01945-11-07194501945-01-011945
S-222 3.5895.776 I-15/S-278 south of DillonI-15 Bus. at Dillon 01976-07-011976current
S-223 52.90185.136 US 87/MT 80 near Fort BentonUS 2 in Chester 01945-11-071945current
S-224 18.95030.497 US 2 near Joplin1200 Road S near Whitlash 01945-11-071945current
S-225 56.22090.477 US 87 in Great FallsS-366 near Tiber Dam 01945-11-071945current
S-226 14.56023.432 EdenUS 87/US 89/MT 3 in Great Falls 01945-11-071945current
S-227 16.75626.966 S-226 near EdenUS 87/US 89/MT 3/MT 200 near Great Falls 01945-11-071945current
S-228 42.63368.611 US 87/US 89/MT 3/MT 200 near Great FallsMT 80 near Fort Benton 01945-11-071945current
S-229 01945-11-07194501954-01-011954
S-229 2.5924.171 Helena city limitsS-279 near Helena 01976-07-011976current
S-230 US 87 at StanfordUS 87 at Fort Benton 01945-11-07194501977-01-011977 Not built until 1945; replaced by MT 80
S-230 East of LaurelS-429 (Shiloh Road) in Billings 01982-05-21198201993-01-011993 I-90 south frontage road
S-231 US 2 in RudyardGoldstone 01945-11-07194501977-01-011977 Restored as S-255 in 1984
S-231 5.6749.131 US 12 in HelenaS-279 near Helena 01983-02-241983current
S-232 42.78468.854 US 2 in HavreHwy 41 at the Port of Wild Horse, Alberta 01945-11-071945current
S-233 30.48249.056 S-232 near HavreHwy 21 at the Port of Willow Creek 01945-11-071945current
S-234 21.66234.862 Rocky Boys Indian ReservationUS 2 in Havre 01945-11-071945current
S-235 S-230 near Coffee CreekUS 191 at Brooks 01945-11-07194501977-01-011977 Replaced by MT 81
S-235 5.6109.028 MT 85 near BozemanS-412 in Bozeman 01983-09-191983current
S-236 88.235142.000 US 191 at HilgerUS 87 at Big Sandy 01945-11-071945current
S-237 2.4783.988 S-426 near HanoverUS 87 Business/US 191 Business at Lewistown 01945-11-071945current
S-238 68.888110.864 US 2 in RyegateUS 89/MT 200 in Lewistown 01945-11-071945current
S-239 11.66618.775 UticaUS 87/MT 3/MT 200 in Hobson 01945-11-071945current
S-240 25.33340.770 ClevelandUS 2 in Chinook 01945-11-071945current
S-241 43.22069.556 US 2 at HarlemHwy 37 at the Port of Turner 01945-11-071945current
S-242 Port of Morgan at the Saskatchewan borderMalta 01945-11-07194501993-01-011993 Replaced by US 191
S-243 21.18534.094 US 2 near Bowdoin National Wildlife RefugeUS 2 in Saco 01945-11-071945current
S-244 24.70239.754 US-87 north of RoundupMT 200 in Winnett 01945-11-071945current
S-245 37.82660.875 BrusettMT 200 in Jordan 01945-11-071945current
S-246 11.54818.585 TampicoMT 42 in Glasgow 01945-11-071945current
S-247 Port of OpheimUS-2 in Glasgow 01945-11-07194501977-01-011977 Replaced by MT 24
S-247 6.26010.074 S-322 near Mill IronWebster 01983-11-091983current
S-248 46.13474.245 MT 24 in OpheimMT 13 in Scobey 01945-11-071945current Old route of MT 5
S-249 MT 24 at Fort PeckUS 2 at Nashua 01945-11-07194501977-01-011977 Replaced by MT 117
S-249 11.77518.950 MT 287 near EnnisUS 287 near Cameron 01984-08-291984current
S-250 49.41679.527 US 2 near Wolf PointMT 13 near Volt 01945-11-071945current
S-251 52.10983.861 US 2 near PoplarMT 5/S-511 near Flaxville 01945-11-071945current
S-252 23.43837.720 MT 200 near CircleHorse Creek 01945-11-071945current
S-253 46.91375.499 I-94 in TerryMT 200 in Brockway 01945-11-071945current
S-254 67.705108.961 MT 16 in GlendiveMT 13 near Vida 01945-11-071945current
S-255 01945-11-071945
S-255 24.93640.131 US 2 in RudyardGoldstone 01984-08-291984current
S-256 MT 15 in PlentywoodHwy 6 near Port of Raymond 01945-11-07194501977-01-011977 Replaced by MT 16
S-257 5.7729.289 I-90 in SuperiorTrout Creek 01952-11-211952current
S-258 19.80031.865 MT 16 in ReserveND 50 at North Dakota border 01945-11-071945current
S-259 01945-11-07194501954-01-011954
S-259 10.07316.211 S-360 near White Sulphur SpringsUS 89 at Newlan Creek 01984-08-291984current
S-260 LambertMT 14/MT 16 in Sidney 01945-11-07194501950-01-011950 Replaced by MT 23 (later MT 20; now MT 200)
S-260 3.5775.757 Bobtail Road near LibbyS-567 near Libby 01986-03-281986current
S-261 51.44682.794 I-94 in WibauxMT 23 in Sidney 01945-11-071945current Former MT 7
S-262 County Road southeast of St. RegisS-257 in Superior 01945-11-07194501977-01-011977 Now Diamond Road and Southside Road
S-263 14.78623.796 I-90 in FrenchtownUS 93 in Missoula 01945-11-071945current
S-264 S-266 in MissoulaS-265 in Missoula 01945-11-07194501974-01-011974 Now 3rd Street and Clements Road
S-265 S-266 in MissoulaS-264 in Missoula 01945-11-07194501974-01-011974 Now South Avenue
S-266 US 12 in MissoulaS-390 in Missoula 01945-11-07194501974-01-011974 Now Higgins Avenue
S-267 Sawmill Gulch RoadMT 200 in Missoula 01945-11-07194501993-01-011993 Now Van Buren Street and Rattlesnake Drive
S-268 01945-11-07194501977-01-011977
S-269 21.28434.253 US 93/S-531 in HamiltonUS 93 in Stevensville 01945-11-071945current
S-270 CapitolS-323 in Albion 01953-01-01195301993-01-011993
S-271 22.31935.919 I-90 in DrummondMT 141 near Helmville 01945-11-071945current Partially replaced by MT 141 in 1978
S-272 2.0243.257 S-271 near HelmvilleUS 12 in Avon 01945-11-07194501977-01-011977 Replaced by MT 141
S-272 2.0243.257 Montana State PrisonS-275 in Deer Lodge 01987-12-011987current
S-273 12.18119.603 MT 48 near OpportunityI-90 in Galen 01945-11-071945current
S-274 MT 43 near Wise RiverMT 1 near Opportunity 01945-11-07194501985-01-011985 Restored in 2001 as S-569
S-275 01945-11-07194501977-01-011977
S-275 3.0454.900 I-90 in Deer LodgeI-90 near Deer Lodge 01987-12-011987current
S-276 7.86312.654 I-90 near RockerRocker 01945-11-071945current
S-277 33.55654.003 US 212 in HammondS-323 near Ridgeway 01952-01-011952current
S-278 61.09298.318 MT 43 in WisdomI-15/S-222 in Dillon 01945-11-071945current
S-279 38.96562.708 I-15/US 287/S-453 in HelenaMT 200 near Flesher Pass 01945-11-071945current
S-280 16.05025.830 I-15 in HelenaTrout Creek Canyon 01945-11-071945current
S-281 MT 2 at CardwellI-15 at Boulder 01945-11-07194501977-01-011977 Replaced by MT 69
S-282 01945-11-07194501945-01-011945
S-282 3.5755.753 Jack MountainI-15/S-518 near Montana City 01987-10-221987current
S-283 6.43410.355 PonyUS 287 in Harrison 01945-11-071945current
S-284 42.07367.710 US 12/US 287 near Canyon FerryUS 12 near Townsend 01945-11-071945current
S-285 9.37115.081 RadersburgUS 287 in Toston 01945-11-071945current
S-286 3.9306.325 S-205 near Three ForksTrident 01945-11-071945current
S-287 7.93112.764 MT 2 in Three ForksWilliams Bridge Road south of Willow Creek 01945-11-071945current
S-288 16.17626.033 S-347 in AmsterdamI-90/S-346 in Manhattan 01945-11-071945current
S-289 US 287 in NorrisUS 191/S-291 near Four Corners 01945-11-07194501977-01-011977 Replaced by MT 84
S-290 16.24726.147 S-205 in Belgrade16 Mile Creek near Maudlow 01945-11-071945current
S-291 0.8261.329 S-205 in BelgradeI-90/MT 85 in Belgrade 01945-11-07194502001-01-012001 Now Jackrabbit Lane; partially replaced by MT 85 in 1977
S-292 01945-11-07194501977-01-011977
S-292 8.78914.145 S-548 in EvergreenMT 40 near Whitefish 01996-02-071996current
S-293 US 191/I-90 Bus. in BozemanUS 89 near Wilsall 01945-11-07194501977-01-011977 Replaced by MT 86
S-294 29.16946.943 US 89 near Horse ButteUS 12 near Martinsdale 01945-11-071945current
S-295 16.37926.359 I-90 near LivingstonI-90 near Mission 01945-11-071945current
S-296 US 12 in Two DotLebo Lake 01945-11-07194501977-01-011977 Now Two Dot Highway
S-297 37.81860.862 US 12/MT 3 in ShawmutMT 3 in Judith Gap 01945-11-071945current
S-298 25.65541.288 Boulder Ranger StationUS 191 in Big Timber 01945-11-071945current
S-299 01945-11-07194501977-01-011977
S-300 13.34121.470 Big Coolie CreekUS 12/MT 3/S-238 in Ryegate 01945-11-071945current
S-301 MT 6 in LavinaI-90 in Billings 01945-11-07194501956-01-011956 Replaced by MT 3
S-302 14.32223.049 MoltMT 3 in Billings 01945-11-071945current
S-303 01945-11-07194501977-01-011977
S-304 ShepherdUS 312 01945-11-07194501977-01-011977 Now Shepherd Road
S-305 LaurelS-302 in Billings 01945-11-07194501977-01-011977 Now 72nd Street and S-532 (King Avenue)
S-306 25.27340.673 MT 78 in ColumbusRapelje 01945-11-071945current
S-307 US 212 at Red LodgeI-90 at Columbus 01945-11-07194501977-01-011977 Replaced by MT 78
S-308 14.38323.147 US 212 in Red LodgeMT 72 in Belfry 01945-11-071945current Partially replaced by MT 72
S-309 01945-11-07194501972-01-011972
S-310 41.34866.543 I-94 in CusterUS 12 near Musselshell 01945-11-071945current
S-311 25.91541.706 S-310 in MyersI-94 in Hysham 01945-11-071945current
S-312 01945-11-07194501962-01-011962
S-313 38.58862.101 Fort SmithMT 47 in Hardin 01945-11-071945current
S-314 44.34271.362 WYO 338 near DeckerUS 212 near Busby 01946-10-251946current
S-315 US 212 in Lame DeerNorth of I-94 near Forsyth 01945-11-07194501977-01-011977 Replaced by MT 45
S-316 01945-11-07194501945-01-011945
S-317 3.5035.638 US 93 in KalispellMT 35 in Kalispell 01953-04-03195302012-01-01c.2012
S-318 Swords ParkBillings Municipal Airport 01945-11-07194501974-01-011974 Now East Airport Road
S-319 US 212 near BroadusWyoming border south of Biddle 01945-11-07194501967-01-011967 Replaced by MT 59
S-320 6.0709.769 US 12 near PlevnaIsmay 01945-11-071945current
S-321 01945-11-07194501977-01-011977
S-322 26.90843.304 Medicine RocksMT 7 near Baker 01945-11-071945current
S-323 71.126114.466 US 212/S-326 in AlzadaMT 7 in Ekalaka 01945-11-071945current
S-324 34.42955.408 SH 29 at Bannock PassI-15 near Clark Canyon Dam 01945-11-071945current
S-325 13.35321.490 US 2 in ChinookNorth Chinook Reservoir 01946-05-201946current
S-326 MT 35 in BigforkS-209 near Bigfork 01954-01-01195401977-01-011977 Replaced by MT 83
S-326 1.6832.709 WYO 112 near AlzadaUS 212/S-323 in Alzada 01990-02-271990current Formerly S-492
S-327 15.04324.209 ND 1804 at Fort UnionUS 2 Bainville 01953-08-101953current
S-328 MT 3 in BroadviewMT 3 in Acton 01953-08-10195301977-01-011977 Now 21 Mile Road and Oswald Road
S-328 18.84330.325 S-323 near EkalakaSD 20 near Capitol 01994-10-131994current
S-329 01945-11-07194501977-01-011977
S-330 36.92459.423 MT 68 in CascadeI-15 in Ulm 01945-11-071945current
S-331 10.07216.209 US 87/US 89 in BeltS-228 near Highwood 01945-11-071945current
S-332 50.39181.096 S-447 near BrandenburgMT 59 near Twelve Mile Dam 01945-11-071945current
S-333 US 12 east of Miles CityMizpah 01945-11-07194501983-01-011983 Now Mizpah Road and Trail Creek Road
S-334 Port of ScobeyMT 5 in Scobey 01945-11-07194501962-01-011962 Replaced by MT 13
S-334 3.7606.051 Beaver Creek ReservoirUS 87 in Laredo 01994-09-011994current
S-335 14.59823.493 Balier ReservoirI-94 in Glendive 01945-11-071945current
S-336 14.59523.488 MT 7 near Rush HallND 16 near Carlyle 01945-11-071945current
S-337 01956-01-01195601957-01-011957
S-338 21.55834.694 S-241 near HarlemHogeland 01954-01-291954current
S-339 US 89 near WilsallSmith Creek Road northeast of Wilsall 01954-01-29195401977-01-011977 Now Shields River Road
S-340 18.50129.774 MildredI-94 in Fallon 01954-01-291954current
S-341 21.93035.293 MT 200 near JordanFort Peck Lake 01954-05-151954current
S-342 0.8591.382 US 212 near Crow AgencyLittle Big Horn Battlefield 01954-12-131954current
S-343 43.22769.567 I-15/S-215 in OilmontUS 2 near Galata 01954-03-261954current
S-344 35.64857.370 US 2 in BrocktonMT 16 in Froid 01954-03-261954current
S-345 12.03619.370 US 191 in Gallatin GatewayKagy Boulevard in Bozeman 01951-10-311951current
S-346 7.97512.835 I-90/S-288 in ManhattanS-290 at Manhattan city limits 01946-10-251946current
S-347 6.22610.020 S-288 in AmsterdamMT 85 in Belgrade 01945-11-071945current
S-348 13.97422.489 GillesMT 1 in Philipsburg 01945-11-071945current
S-349 01954-05-06195401977-01-011977
S-350 5.4878.830 HomesteadMT 16 near Medicine Lake 01954-05-061954current
S-351 01945-11-07194501954-01-011954
S-352 5.0938.196 US 93 in DaytonLake Mary Ronan 01945-11-071945current
S-353 Round ButteMoiese 01945-11-07194501977-01-011977
S-354 8.00212.878 Polson 01945-11-071945current
S-355 Helena 01954-01-01195401974-01-011974
S-356 US 12 in HelenaCentral Avenue in Helena 01945-11-07194501977-01-011977 Formerly ended at S-279 near Birdseye
S-357 26.80043.130 Ruby River ReservoirMT 287 in Alder 01945-11-071945current
S-358 27.83844.801 MT 44 in ValierUS 2 in Cut Bank 01954-09-011954current
S-359 15.96425.692 US 287 north of HarrisonMT 2/MT 69 northwest of Cardwell 01945-11-071945current
S-360 18.21729.317 Fort LoganUS 12/US 89 in White Sulphur Springs 01945-11-071945current
S-361 01945-11-07194501947-01-011947
S-361 01975-01-01197501983-01-011983
S-362 01945-11-07194501977-01-011977 now S-571
S-363 11.20318.029 US 2 in DodsonUS 191 in Malta 01945-11-071945current
S-364 US 191 in MaltaSouth Black Coulee Road near Malta 01945-11-07194501977-01-011977
S-365 24.23138.996 BradyS-225 near Carter 01945-11-071945current
S-366 49.24579.252 I-15 near LedgerS-223 near Chester 01945-11-071945current
S-367 01945-11-07194501977-01-011977
S-368 01945-11-07194501977-01-011977
S-369 01945-11-07194501977-01-011977
S-370 1.9543.145 US 93 near VictorS-203 near Stevensville 01945-11-071945current
S-371 MelvilleTwodot 01945-11-07194501977-01-011977
S-372 01945-11-07194501977-01-011977
S-373 4.5297.289 US 93 in WoodsideCorvallis 01945-11-071945current
S-374 6.50310.466 MT 5 in ArcherOutlook 01945-11-071945current
S-375 Continental Drive—downtown ButteUS 10 southeast of Butte 01945-11-07194501993-01-011993
S-376 Fort Belknap AgencyUS 191 near Landusky 01956-01-01195601977-01-011977 Replaced by MT 66
S-377 StevensvilleBitterroot National Forest 01955-01-01195501977-01-011977
S-378 01945-11-07194501977-01-011977
S-379 18.00828.981 I-15/S-221 near DuttonS-225 near Carter 01945-11-071945current
S-380 01955-01-01195501977-01-011977
S-381 16.37026.345 Colding CreekUS 12 near Roundup 01945-11-071945current
S-382 15.70325.272 MT 28 near Hot SpringsMT 200 in Perma 01945-11-071945current
S-384 01955-01-01195501977-01-011977
S-384 57.05291.816 MT 47 in HardinI-94 near Sanders 01945-11-071945current
S-385 01945-11-07194501977-01-011977
S-386 1.5342.469 US 87 in KershawMT 80 in Fort Benton 01945-11-071945current
S-387 2.6464.258 MT 80 in Fort BentonUS 87 in Loma 01945-11-071945current
S-388 01955-01-01195501977-01-011977
S-389 01945-11-07194501977-01-011977
S-390 US 12 in MissoulaUS 12 in Missoula 01945-11-07194501974-01-011974 Now 39th Street and Russell Street
S-391 16.56326.656 YargerUS 212/MT 59 in Broadus 01945-11-071945current
S-392 01945-11-07194501963-01-011963
S-393 6.59410.612 NewcombMT 2 in Butte 01945-11-071945current
S-394 01945-11-07194501977-01-011977
S-395 01946-10-25194601962-01-011962
S-396 16.90827.211 S-211 in HarlemCoburg 01946-10-251946current Former routing of US 2
S-397 BelfryWyoming border 01945-11-07194501977-01-011977 Replaced by MT 72
S-398 County road 4.7 mi (7.6 km) north of MT 48MT 48 3 mi (4.8 km) east of Anaconda 01946-10-25194601956-01-011956 Replaced by S-273
S-398 7.00911.280 US 212/MT 59 in BroadusPowderville 02000-05-252000current Formerly S-402
S-399 25.22840.601 I-90/MT 55 in WhitetailMT 69 in Boulder 01946-10-251946current
S-400 12.33519.851 BuffaloS-239 near Hobson 01946-10-251946current
S-401 01946-10-25194601977-01-011977 Replaced by MT 55
S-401 7.90312.719 S-532 near LaurelS-302 near Molt 01987-10-131987current
S-402 7.00911.280 US 212/MT 59 in BroadusPowderville 01946-10-25194601987-01-011987 Now S-398
S-403 01946-10-25194601974-01-011974
S-404 Brockton 01946-10-25194601977-01-011977
S-405 28.37145.659 US 2 near BainvilleMT 16 in Froid 01946-10-251946current
S-406 01946-10-25194601965-01-011965
S-407 01946-10-25194601977-01-011977
S-408 19.56831.492 US 287 near GilmanUS 89 in Fairfield 01946-10-251946current
S-409 40.49965.177 US 2 in ChesterHwy 880 near Whitlash 01946-10-251946current
S-410 01946-10-25194601977-01-011977
S-411 10.74417.291 S-205/S-570 in BozemanSpringhill Cemetery 01946-10-251946current
S-412 01947-01-01194701977-01-011977
S-412 0.3490.562 S-411 near BozemanS-205 bridge in Bozeman 01995-01-011995current
S-413 24.70939.765 MT 7 near CarlyleMT 7 near Saint Phillip 01948-07-301948current
S-414 01948-07-30194801977-01-011977
S-415 01950-03-20195001977-01-011977
S-416 14.11322.713 S-418 near PryorI-90/US 212 in Billings 01950-03-201950current
S-417 16.53026.602 S-366 near LedgerUS 2 near Shelby 01950-07-031950current
S-418 01951-03-27195101977-01-011977
S-418 16.12425.949 S-416 near PryorPryor 02000-01-272000current
S-419 21.25434.205 LimestoneMT 78 near Absarokee 01951-03-271951current
S-420 6.92911.151 S-419 in NyeMT 78 near Absarokee 01951-01-161951current
S-421 18.16729.237 MT 78 near ColumbusUS 212 near Joliet 01951-01-161951current
S-422 8.52113.713 MT 41 in Silver StarMT 55 near Waterloo 01951-01-161951current
S-423 01951-03-27195101977-01-011977
S-424 17.10827.533 US 93 in KalispellUS 93 west of Whitefish 01951-01-011951current
S-425 RoscoeFishtail 01951-01-01195101977-01-011977
S-426 26.57342.765 US 87/MT 3/MT 200 near KolinUS 191 in Lewistown 01951-12-281951current
S-427 12.31919.826 US 89 at Currie SpringUS 87/MT 3/MT 200 in Raynesford 01951-12-281951current
S-428 US 191 in Judith GapLiving Springs Road 01952-01-01195201977-01-011977 Replaced by an extended S-297
S-428 Zoo Drive in BillingsS-429 (Shiloh Road) in Billings 01999-01-01199902001-01-012001 I-90 south Frontage Road
S-429 6.39210.287 Zoo Drive in BillingsS-428 (I-90 Frontage Road) in Billings 01952-01-01195202001-01-012001 Now Shiloh Road
S-430 01955-01-01195501980-01-011980
S-430 3.8026.119 S-280 in HelenaS-284 near Canyon Creek 01987-07-281987current
S-431 19.99932.185 US 89/S-565 near FairfieldI-15 in Power 01955-11-231955current
S-432 46.93275.530 US 2 in RudyardUS 287/S-223 in Big Sandy 01955-12-021955current
S-433 01955-01-01195501977-01-011977
S-434 18.03229.020 I-15 near Wolf CreekMT 200 near Johnson Mountain 01955-12-021955current
S-435 01955-01-01195501977-01-011977
S-435 15.36124.721 US 287 in AugustaJohnson Mountain 01987-07-281987current
S-436 US 2 near ChinookSaskatchewan border 01955-01-01195501977-01-011977 Now local Blaine County roads
S-437 8.89514.315 S-285 near RadersburgUS 287 Toston 01956-05-041956current
S-438 52.46584.434 US 2 in NashuaS-248 nearGlentana 01955-11-231955current
S-440 01955-01-01195501977-01-011977
S-441 7.82912.600 I-90 near GregsonMT 1 near Opportunity 01956-02-091956current
S-444 19.77331.822 US 2 near BlackfootS-213 near Bonita 01956-07-311956current
S-445 01955-01-01195501977-01-011977
S-446 2.7784.471 I-94/S-447 in RosebudCartersville 01956-05-171956current
S-447 52.47884.455 US 212 in AshlandI-94/S-446 in Rosebud 01956-05-171956current
S-448 30.10848.454 US 87 in Box ElderUS 2/S-449 Gildford 01955-12-051955current
S-449 16.59026.699 US 2/S-448 in GildfordMilk River 01955-12-071955current
S-450 01955-01-01195501977-01-011977
S-451 01955-01-01195501960-01-011960
S-451 38.04761.231 WYO 345 south of WyolaI-90/US 87 north of Wyola 01988-02-261988current Formerly US 87
S-452 01955-01-01195501977-01-011977
S-453 5.1218.241 I-15/US 287/S-279 in HelenaLake Helena 01955-02-201955current
S-454 3.3305.359 UnionvilleUS 12 in Helena 01955-02-201955current
S-455 01956-01-01195601957-01-011957
S-456 01955-01-01195501977-01-011977
S-457 01955-01-01195501970-01-011970
S-457 1.5062.424 S-451 in WyolaI-90/US 87 near Wyola 01988-02-281988current
S-458 01956-01-01195601977-01-011977
S-459 Great FallsS-226 01956-01-01195601993-01-011993
S-460 01956-01-01195601977-01-011977
S-461 MT 200 near ParadiseSt. Regis 01956-01-01195601977-01-011977 Replaced by MT 135
S-462 38.46461.902 MT 59 in Rock SpringsMT 200 near Brockway 01956-12-071956current
S-463 14.20222.856 Willow Creek DamI-90 in Lodge Grass 01957-03-081957current
S-464 33.67154.188 US 2/US 89 in BrowningUS 89 in Babb 01957-06-281957current
S-465 01956-01-01195601977-01-011977
S-466 2.1603.476 Hansons Creek Road near LewistownS-238 near Lewistown 01956-11-071956current
S-467 31.74551.089 MT 200S in LindsayMT 200 in Circle 01957-03-271957current
S-468 01957-01-01195701958-01-011958
S-469 01956-01-01195601985-01-011985
S-470 24.03238.676 MT 200S in LindsayS-254 in Bloomfield 01957-03-271957current
S-471 22.06935.517 NFS Route 9 at Idaho border near Murray, IdahoMT 200 near Thompson Falls, Montana 01957-01-291957current
S-472 01956-01-01195601977-01-011977
S-472 16.526.6 US 93 in SulaReynolds Creek Road near Martin Creek Campground 01993-11-011993current
S-473 14.39423.165 Painted Rocks State ParkUS 93 near Conner 01957-05-211957current
S-474 3.8596.210 S-263 near FrenchtownI-90/US 93/MT 200 in Wye 01957-06-271957current
S-475 01956-01-01195601977-01-011977
S-476 S-540 near PrayMontanapolis Springs 01956-01-01195601977-01-011977
S-477 01956-01-01195601977-01-011977
S-478 21.99535.398 US 191 near Big TimberStephens Hill Road near Rapelje 01957-09-231957current
S-479 01956-01-01195601977-01-011977
S-480 19.69631.698 S-201 near RicheyUS 2 in Sprole 01957-12-051957current
S-481 01957-01-01195701977-01-011977
S-482 7.17611.549 US 2 near Libby CreekUS 2 near Libby 01958-03-051958current
S-483 Port of Del BonitaSanta Rita 01957-01-01195701977-01-011977 Replaced by an extension of S-213
S-484 27.86344.841 Fort HoweUS 212 near Ashland 01958-09-031958current
S-485 TrailcreekColumbia Falls 01958-01-01195801977-01-011977
S-486 22.64636.445 US 2 in Columbia FallsCamas Creek entrance of Glacier National Park 01958-09-161958current
S-487 7.22311.624 US 93 in WhitefishWhitefish Mountain Resort at Big Mountain 01958-09-161958current
S-488 01959-01-01195901981-01-011981
S-489 18.00628.978 MT 59 near Miles CityKinsey 01985-02-191985current
S-490 01959-01-01195901977-01-011977
S-492 01959-01-01195901977-01-011977
S-493 4.8777.849 MT 7 near BakerAnticline Road near Plevna 01959-05-141959current
S-494 22.74336.601 MT 7 in WillardUS 12 in Plevna 01959-05-141959current
S-495 Great Falls 01959-01-01195901977-01-011977
S-496 BainvilleMT 16 01959-01-01195901977-01-011977
S-497 01959-01-01195901977-01-011977
S-498 In Great Falls 01959-01-01195901974-01-011974 Replaced by bypass US 87
S-499 Follows the north end of Hebgen Lake from MT 287US 191 01959-01-01195901964-01-011964 Replaced by US 287 in 1964
S-500 30.40748.935 US 12 near MelstoneMT 200 in Mosby 01960-03-081960current
S-501 MT 38 at GrantsdaleSleeping Child Hot Springs 01960-01-01196001977-01-011977
S-502 01960-01-01196001977-01-011977
S-503 12.16619.579 US 93A near KalispellUS 2 in Kalispell 01960-11-031960current
S-504 12.84720.675 S-340 in MarshCabin Creek 01960-12-131960current
S-505 LewistownGlengarry 01960-01-01196001980-01-011980 replaced by S-426
S-506 YaakLibby 01961-01-01196101977-01-011977 Replaced by S-567
S-507 2.5334.076 I-90 in AlbertonI-90 near Huson 01961-07-071961current
S-508 29.27247.109 US 2 near TroyS-567 in Yaak 01961-09-121961current
S-509 37.49960.349 I-15 in MonidaRed Rock Lakes National Wildlife Refuge 01961-09-121961current
S-510 BrockwayDry Ash Creek 01961-01-01196101999-01-011999
S-511 13.79022.193 MT 5/S-251 in FlaxvilleWhitetail 01962-01-041962current Formerly MT 13; formerly ended at Port of Whitetail
S-512 13.79022.193 MT 1/S-513 in HallNew Chicago Road near Hall 01962-01-151962current
S-513 9.66315.551 Lower Willow Creek Road near HallMT 1/S-512 in Hall 01962-01-151962current
S-514 PoplarPlentywood 01962-01-01196201977-01-011977
S-515 US 2Katy Lake 01961-01-01196101977-01-011977 part now S-573
S-515 01991-01-01199102001-01-012001
S-516
S-516 6.0089.669 S-258 near DagmarS-517 in Coalridge 01961-12-161961current
S-517 12.29119.780 MT 16 near AntelopeS-516 in Coalridge 01961-12-161961current
S-518 4.4687.191 I-15/S-282 in Montana CityUS 12/US 287 in East Helena 01961-11-281961current
S-519 01962-01-01196201978-01-011978
S-520 01962-01-01196201977-01-011977
S-521 01962-01-01196201972-01-011972
S-522 2.3683.811 I-94 in HuntleyWorden 01962-08-231962current
S-523 01963-01-01196301977-01-011977
S-524 01962-01-01196201977-01-011977
S-525 01962-01-01196201977-01-011977
S-526 01963-01-01196301977-01-011977
S-527 01963-01-01196301977-01-011977
S-528 18.70330.100 Prairie Elk Road near OswegoMT 13 near Macon 01998-07-291998current
S-529 9.95916.027 Clear Creek Road near ChinookS-240 in Chinook 01963-09-191963current
S-530 01963-01-01196301977-01-011977
S-531 6.30810.152 US 93 in GrantsdaleUS 93/S-269 in Hamilton 01963-10-071963current
S-532 17.62828.370 I-90/US 212/US 310 in LaurelI-90/US 212 in Billings 01964-02-171964current
S-533 01965-01-01196502005-01-012005
S-534 27.89444.891 US 89 in DupuyerS-218 in Conrad 01964-06-111964current
S-535 01964-01-01196401974-01-011974
S-536 01964-01-01196401993-01-011993
S-537 23.12637.218 US 2 in HinsdaleSnake Creek Road near Hinsdale 01965-03-011965current
S-538 01965-01-01196501974-01-011974
S-539 01965-01-01196501977-01-011977
S-540 31.85951.272 US 89 near MinerUS 89 near Pine Creek 01966-02-251966current
S-541 10.69117.205 S-239 UticaUS 87/MT 3/MT 200 in Windham 01966-11-071966current
S-542 01967-01-01196701977-01-011977
S-543 24.16038.882 MT 200 in JordanHell Creek State Park 01967-02-141967current
S-544 32.93753.007 MT 59 in BiddleUS 212 in Boyes 01968-04-221968current
S-545 01968-01-01196801974-01-011974
S-546 01968-01-01196801977-01-011977
S-547 6.47710.424 MT 81 in DentonBear Springs Road near Denton 01969-06-231969current
S-548 6.52110.495 US 93 near WhitefishUS 2 in Kalispell 01969-09-021969current
S-549 01969-01-01196901993-01-011993
S-551 6.51510.485 US 87/MT 3/MT 200 in GeyserBraun Creek Road near Geyser 01971-06-081971current
S-552 33.09053.253 I-15 at SunburstS-343 near Whitlash 01973-12-211973current
S-554 01971-01-01197101977-01-011977
S-556 44.20071.133 MT 200 near SniderUS 2 near Happy's Inn 01971-07-261971current
S-557 01971-01-01197101974-01-011974
S-558 01971-01-01197101974-01-011974
S-559 3.1185.018 US 93/MT 200 near ArleeJocko Canyon Road near Arlee 01973-05-071973current
S-563 I-90 near SpringdaleSpringdale 01975-01-01197502001-01-012001
S-564 24.99240.221 US 87 in CarterS-223 near Loma 01975-10-061975current
S-565 7.13411.481 MT 200 in SimmsUS 89/S-441 near Fairfield 01975-10-071975current
S-566 51.83583.420 S-314 near Tongue River Reservoir State ParkUS 212 in Ashland 01975-10-301975current
S-567 35.94357.845 MT 37 in LibbyS-508 in Yaak 01994-03-151994current
S-568 2.6734.302 I-94 near Pompeys PillarPompeys Pillar 01976-07-061976current
S-569 01976-01-01197601981-01-011981
S-569 22.02035.438 MT 43 near Wise RiverMT 1 near Opportunity 02001-03-292001current formerly S-274
S-570 S-205/S-411 in BozemanI-90 in Bozeman 02001-01-01200102012-01-012012
S-571 1.1681.880 US 89 in EmigrantS-540 near Emigrant 02001-06-012001current formerly S-362
S-572 1.7502.816 S-540 near EmigrantChico Hot Springs 02001-06-012001current formerly S-542
S-573 14.87023.931 MT 16 in Medicine LakeKaty Lake 02001-06-012001current formerly part of S-515
S-574 10.97017.655 I-90 in HusonUS 93/MT 200 near Wye 02006-01-252006current
  •       Former

Secondary Highway 206

Secondary Highway 206 marker

Secondary Highway 206

LocationFlathead County
Length9.741 mi[3] (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.[3]

The S-206 designation has existed since at least 1960[1] 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),[4] and the former routing is now part of US 2 from junction P-52 (MT 35) to junction N-38 (MT 40).[3]

Secondary Highway 232

Secondary Highway 232 marker

Secondary Highway 232

LocationHill County
Length42.784 mi[5] (68.854 km)
Existedc.1945–present

Secondary Highway 232 (S-232) is a 42.784 miles (68.854 km) long[5] 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.[6]

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).[7]

Secondary Highway 317

Secondary Highway 317 marker

Secondary Highway 317

LocationFlathead County
Length4.499 mi[3] (7.240 km)
Existed1953[3]–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.[3]

Secondary Highway 323

Secondary Highway 323 marker

Secondary Highway 323

LocationCarter County
Length71.130 mi[3] (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)[3] 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 marker

Secondary Highway 326

LocationCarter County
Length1.683 mi[3] (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 MontanaWyoming 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.[8]

Secondary Highway 391

Secondary Highway 391 marker

Secondary 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 MontanaWyoming 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 marker

Secondary 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.[9] Thatcher was one of the Doolittle Raiders and a recipient of the Silver Star.[9] 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 marker

Secondary Highway 424

LocationFlathead County
Length17.108 mi[3] (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.[3]

Farm to Market Road can be seen on the 1935 map as an all-weather gravel road.[10]

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.[1]

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.[3]

Farm to Market Road continues north, providing access to the Twin Lakes area before intersecting with US 93 north of milepost 139.[3]

Secondary Highway 486

Secondary Highway 486 marker

Secondary Highway 486

LocationFlathead County
Length22.646 mi[3] (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.[3]

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.[11]

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.[11] 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.

Locationmi[3]kmDestinationsNotes
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 marker

Secondary Highway 487

LocationFlathead County
Length7.223 mi[3] (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.[3]

Secondary Highway 503

Secondary Highway 503 marker

Secondary Highway 503

LocationFlathead County
Length12.166 mi[3] (19.579 km)
Existed1967[3]–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).[3]

Secondary Highway 508

Secondary Highway 508 marker

Secondary Highway 508

LocationLincoln County
Length29.272 mi[12] (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.[13]

Secondary Highway 537

Secondary Highway 537 marker

Secondary Highway 537

LocationValley County
Length23.126 mi[14] (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 marker

Secondary Highway 548

LocationFlathead County
Length6.521 mi[3] (10.495 km)
Existed1969[3]–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).[3]

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).[3]

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. Google (September 13, 2011). "Overview Map of S-326" (Map). Google Maps. Google. 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. Google (August 18, 2015). "Yaak, Mt 59935" (Map). Google Maps. Google. 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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