List of state highways in Montana

Secondary state highways

Montana Secondary Highway 246 - Glasgow to Hinsdale

Montana Secondary Highway 247 - Webster to Mill Iron (Old 247 ran from Port of Opheim to Glasgow

Montana Secondary Highway 248 - Opheim to Scobey (Old route of Montana Highway 5)

Montana Secondary Highway 249 - Jct Montana Highway 287 to Jct U.S. Route 287 near Cameron (Old Montana Secondary Highway 249 ran from Nashua to Fort Peck in 1960's, now Montana Highway 117)

Montana Secondary Highway 250 - Wolf Point to Volt

Montana Secondary Highway 251 - Flaxville to Jct U.S. Route 2 near Poplar

Montana Secondary Highway 252 - Circle to Horse Creek

Montana Secondary Highway 253 - Terry to Brockway

Montana Secondary Highway 254 - Glendive to Jct Montana Highway 13 near Vida via Richey

Montana Secondary Highway 255 - Rudyard to xx

Montana Secondary Highway 256 - Plentywood to Port of Raymond

Montana Secondary Highway 257 - Trout Creek to Superior

Montana Secondary Highway 258 - Reserve to North Dakota border

Montana Secondary Highway 259 - White Sulphur Springs to Jct U.S. Route 89 at Newlan Creek

Montana Secondary Highway 261 - Sidney to Wibaux (Old Montana Highway 7)

Montana Secondary Highway 262 - Superior to xx

Montana Secondary Highway 263 - Missoula to Huson

Montana Secondary Highway 264 - Missoula to xx

Montana Secondary Highway 269 - Hamilton to Stevensville

Montana Secondary Highway 271 - Drummond to Helmville

Montana Secondary Highway 272 - Deer Lodge to Goldcreek (Old Montana Secondary Highway 272 connected Helmville to Avon, now Montana Highway 141)

Montana Secondary Highway 273 - Galen to xx

Montana Secondary Highway 274 - Jct Montana Highway 1 near Mill Creek to Jct Montana Highway 43 near Fishtrap

Montana Secondary Highway 275 - Through Deer Lodge

Montana Secondary Highway 276 - Butte to xx

Montana Secondary Highway 277 - Hammond to Jct Montana Secondary Highway 323 near Ridgeway

Montana Secondary Highway 278 - Dillon to Wisdom

Montana Secondary Highway 279 - Helena to Jct Montana Highway 200 near Flecher Pass

Montana Secondary Highway 280 - Helena to Trout Creek Canyon

Montana Secondary Highway 282 - Jack Mountain to Montana City

Montana Secondary Highway 283 - Pony to Harrison

Montana Secondary Highway 284 - Townsend to Canyon Ferry

Montana Secondary Highway 285 - Radersburg to Toston

Montana Secondary Highway 286 - Three Forks to Trident

Montana Secondary Highway 288 - Anceney to Manhattan

Montana Secondary Highway 290 - Manhattan to xx

Montana Secondary Highway 292 - Whitefish Stage Road - MT 40 near Whitefish to S-548 in Evergreen

Montana Secondary Highway 294 - Horse Butte to Jct U.S. Route 12 north of Martinsdale

Montana Secondary Highway 295 - Mission to Livingston

Montana Secondary Highway 296 - Lebo Lake to Two Dot

Montana Secondary Highway 297 - Careless Creek to Judith Gap

Montana Secondary Highway 298 - Big Timber to Boulder Ranger Station

Montana Secondary Highway 300 - Ryegate to Big Coolie Creek

Montana Secondary Highway 302 - Billings to Molt

Montana Secondary Highway 304 - Shepherd to Jct U.S. Route 212

Montana Secondary Highway 305 - Billings to xx

Montana Secondary Highway 306 - Columbus to Rapelje

Montana Secondary Highway 308 - Belfry to Red Lodge (Orig route extended east to Bridger, now part of Montana Highway 72)

Montana Secondary Highway 310 - Custer to Musselshell

Montana Secondary Highway 311 - Hysham to Myers

Montana Secondary Highway 313 - Fort Smith to Hardin

Montana Secondary Highway 314 - Busby to Wyoming border south of Decker (Continues as Wyoming State Highway 338)

Montana Secondary Highway 315 - Lame Deer to near Forsyth

Montana Secondary Highway 317 - Kalispell southeast bypass from US 93 to MT 35

Montana Secondary Highway 318 - Swords Park to Billings Municipal Airport

Montana Secondary Highway 320 - Ismay to Jct U.S. Route 12

Montana Secondary Highway 322 - Baker to Medicine Rocks

Montana Secondary Highway 323 - Ekalaka to Alzada

Montana Secondary Highway 324 - Clark Canyon Dam to Idaho border at Bannock Pass

Montana Secondary Highway 325 - Chinook to North Chinook Reservoir

Montana Secondary Highway 326 - Alzada to Wyoming border south of Alzada (Old Montana Secondary Highway 326 was near Bigfork)

Montana Secondary Highway 327 - Bainville to North Dakota border at Fort Union

Montana Secondary Highway 328 - Jct Montana Secondary Highway 323 to South Dakota border near Capitol (Old Montana Secondary Highway 328 ran from Broadview to xx)

Montana Secondary Highway 330 - Cascade to Ulm

Montana Secondary Highway 331 - Belt to Jct Montana Secondary Highway 228

Montana Secondary Highway 332 - Twelve Mile Dam to Jct Montana Secondary Highway 447 South of Brandenburg

Montana Secondary Highway 334 - Laredo to Beaver Creek Reservoir (Old Montana Secondary Highway 334 ran from Port of Scobey to Scobey (now part of Montana Highway 13)

Montana Secondary Highway 335 - Glendive to Balier Reservoir

Montana Secondary Highway 336 - Rush Hall to Carlyle

Montana Secondary Highway 338 - Hogeland to Jct North of Harlem

Montana Secondary Highway 339 - Wilsall to xx

Montana Secondary Highway 340 - Mildred to Fallon

Montana Secondary Highway 341 - Jordan to Fort Peck Lake

Montana Secondary Highway 342 - Jct U.S. Route 212 to Little Big Horn Battlefield

Montana Secondary Highway 343 - Oilmont to Galata

Montana Secondary Highway 344 - Brockton to Froid

Montana Secondary Highway 345 - Bozeman to Gallatin Gateway

Montana Secondary Highway 346 - Manhattan to Four Corners

Montana Secondary Highway 347 - Belgrade to Amsterdam

Montana Secondary Highway 348 - Gilles to Philipsburg

Montana Secondary Highway 350 - Homestead to Jct Montana Secondary Highway 344

Montana Secondary Highway 352 - Dayton to Lake Mary Ronan

Montana Secondary Highway 353 - Round Butte to Moiese

Montana Secondary Highway 354 - Round Butte to Polson

Montana Secondary Highway 355 - Helena to xx

Montana Secondary Highway 356 - Helena to xx

Montana Secondary Highway 357 - Alder to xx

Montana Secondary Highway 358 - Cut Bank to Valier

Montana Secondary Highway 359 - Harrison to Cardwell

Montana Secondary Highway 360 - Fort Logan to White Sulphur Springs

Montana Secondary Highway 363 - Malta to Dodson

Montana Secondary Highway 364 - Malta to xx

Montana Secondary Highway 365 - Brady to Faris School Road

Montana Secondary Highway 371 - Melville to Twodot

Montana Secondary Highway 374 - Outlook to Jct Montana Highway 5

Montana Secondary Highway 377 - Stevensville to xx

Montana Secondary Highway 379 - Dutton to xx

Montana Secondary Highway 381 - Colding Creek to Jct U.S. Route 12

Montana Secondary Highway 382 - Perma to Markle Pass

Montana Secondary Highway 384 - Hardin to Hysham

Montana Secondary Highway 386 - Fort Benton to xx

Montana Secondary Highway 387 - Fort Benton to Jct U.S. Route 87

Montana Secondary Highway 390 - Missoula to xx

Montana Secondary Highway 391 - Broadus to Wyoming border south of Moorhead

Montana Secondary Highway 393 - Butte to Newcomb

Montana Secondary Highway 396 - Coburg to Harlem (Was U.S. Route 2)

Montana Secondary Highway 399 - Boulder to Whitetail

Montana Secondary Highway 400 - Buffalo to Hobson

Montana Secondary Highway 401 - Molt to Canyon Creek (An old Montana Secondary Highway 401 was replaced by Montana Highway 55)

Montana Secondary Highway 404 - Brockton to xx

Montana Secondary Highway 405 - Froid to Bainville

Montana Secondary Highway 408 - Fairfield to Jct U.S. Route 287

Montana Secondary Highway 409 - Whitlash to Chester

Montana Secondary Highway 411 - Bozeman to Springhill Cemetery

Montana Secondary Highway 412 - Bozeman to xx

Montana Secondary Highway 413 - Jct Montana Highway 7 to Lamesteer

Montana Secondary Highway 416 - Billings to xx

Montana Secondary Highway 417 - Jct U.S. Route 2 to Jct Montana Secondary Highway 366

Montana Secondary Highway 418 - Pryor to xx

Montana Secondary Highway 419 - Limestone to Jct Montana Highway 78 south of Absarokee

Montana Secondary Highway 420 - Absarokee to Nye

Montana Secondary Highway 421 - Columbus to Joliet

Montana Secondary Highway 422 - Parsons Bridge to Silver Star

Montana Secondary Highway 424 - Kalispell to west of Whitefish

Montana Secondary Highway 425 - Roscoe to Fishtail

Montana Secondary Highway 426 - Lewistown to Kolin

Montana Secondary Highway 427 - Raynesford to Jct U.S. Route 89 at Currie Spring

Montana Secondary Highway 428 - Judith Gap to xx

Montana Secondary Highway 429 - Billings to xx

Montana Secondary Highway 430 - Helena to Canyon Creek

Montana Secondary Highway 431 - Fairfield to Power

Montana Secondary Highway 432 - Big Sandy to Rudyard

Montana Secondary Highway 434 - Wolf Creek to Johnson Mountain

Montana Secondary Highway 435 - Augusta to Johnson Mountain

Montana Secondary Highway 437 - Radersburg to Jct U.S. Route 287

Montana Secondary Highway 438 - Glentana to Nashua

Montana Secondary Highway 441 - East of Opportunity off Montana Highway 1

Montana Secondary Highway 444 - Jct Montana Secondary Highway 213 to Jct U.S. Route 2 near Blackfoot

Montana Secondary Highway 446 - Forsyth to Hathaway

Montana Secondary Highway 447 - Rosebud to Ashland

Montana Secondary Highway 448 - Gildford to Box Elder

Montana Secondary Highway 449 - Gildford to Milk River

Montana Secondary Highway 451 - Garryowen to Wyoming border south of Wyola (Was U.S. Route 87)

Montana Secondary Highway 453 - Helena to Lake Helena

Montana Secondary Highway 454 - Helena to Unionville

Montana Secondary Highway 457 - In Wyola from Jct Montana Secondary Highway 451 to Jct Interstate 90 / U.S. Route 87

Montana Secondary Highway 459 - Great Falls to Jct Montana Secondary Highway 226

Montana Secondary Highway 462 - Rock Springs to Jct Montana Highway 200

Montana Secondary Highway 463 - Lodge Grass to Jct near Willow Creek Dam

Montana Secondary Highway 464 - Babb to Browning

Montana Secondary Highway 466 - Trout Hatchery to Jct Montana Secondary Highway 238

Montana Secondary Highway 467 - Circle to Lindsay

Montana Secondary Highway 470 - Bloomfield to Lindsay

Montana Secondary Highway 471 - Thompson Falls to Idaho border

Montana Secondary Highway 472 - Trout Creek to Thompson Falls (Old Montana Highway 200)

Montana Secondary Highway 473 - Conner to Painted Rocks

Montana Secondary Highway 476 - Pray to Montanapolis Springs

Montana Secondary Highway 478 - Big Timber to northwest of Big Timber

Montana Secondary Highway 482 - Libby to xx

Montana Secondary Highway 484 - Fort Howe to Jct U.S. Route 212 near Ashland

Montana Secondary Highway 485 - Trailcreek to Columbia Falls

Montana Secondary Highway 486 - Columbia Falls to Camas Creek entrance of Glacier National Park (and unnumbered to British Columbia border as the North Fork Road)

Montana Secondary Highway 487 - Whitefish to Whitefish Mountain Resort at Big Mountain

Montana Secondary Highway 489 - Miles City to Kinsey

Montana Secondary Highway 493 - Plevna to Baker

Montana Secondary Highway 494 - Plevna to Willard

Montana Secondary Highway 495 - Great Falls to xx

Montana Secondary Highway 496 - Bainville to Jct Montana Highway 16

Montana Secondary Highway 500 - Melstone to Mosby

Montana Secondary Highway 501 - Grantsdale to Sleeping Child Hot Springs

Montana Secondary Highway 503 - Kalispell area loop serving Foys Canyon and Lone Pine State Park

Montana Secondary Highway 504 - Marsh to xx

Montana Secondary Highway 505 - Lewistown to xx

Montana Secondary Highway 507 - Alberton to Huson

Montana Secondary Highway 508 - Yaak to Jct U.S. Route 2

Montana Secondary Highway 509 - Monida to Red Rock Lakes

Montana Secondary Highway 510 - Brockway to Dry Ash Creek

Montana Secondary Highway 511 - Port of Whitetail to Flaxville (Was Montana Highway 13)

Montana Secondary Highway 512 - Hall to xx

Montana Secondary Highway 513 - Hall to Hardin

Montana Secondary Highway 514 - Poplar to xx

Montana Secondary Highway 514 - Plentywood to xx

Montana Secondary Highway 516 - Coalridge to Dagmar (Old Montana Secondary Highway 516 ran from Jct U.S. Route 2 to Katy Lake)

Montana Secondary Highway 517 - Coalridge to Antelope

Montana Secondary Highway 518 - East Helena to Montana City

Montana Secondary Highway 522 - Huntley

Montana Secondary Highway 529 - Chinook to Jct southwest of Chinook

Montana Secondary Highway 532 - Billings to Laurel

Montana Secondary Highway 535 - Billings to xx

Montana Secondary Highway 537 - Hinsdale to xx

Montana Secondary Highway 540 - Wineglass Mountain to Jct near Point of Rocks

Montana Secondary Highway 541 - Windham to Utica

Montana Secondary Highway 543 - Jordan to Hell Creek

Montana Secondary Highway 544 - Boyes to Biddle

Montana Secondary Highway 548 - North Kalispell connector from S-424 to US 2.

Montana Secondary Highway 551 - Geyser to xx

Montana Secondary Highway 552 - Sunburst to Jct Montana Secondary Highway 343

Montana Secondary Highway 563 - Ashland to Springdale

Montana Secondary Highway 564 - Carter to Jct Montana Secondary Highway 223

Montana Secondary Highway 565 - Greenfield to Simms

Montana Secondary Highway 566 - Ashland to Jct Montana Secondary Highway 314

Montana Secondary Highway 567 - Yaak to Libby

Montana Secondary Highway 568 - Nibbe to Huntley

Montana Secondary Highway 569 - Opportunity to Jct Montana Highway 43

Montana Secondary Highway 571 - Emigrant to Jct Montana Secondary Highway 540

Montana Secondary Highway 572 - Chico Hot Springs to JCT Montana Secondary Highway 540

Montana Secondary Highway 573 - Katy Lake to Medicine Lake

Former highways

Montana Highway 4 - Thompson Falls to Idaho state line (Replaced by Forest Service Road NF-7623 and S-471.)

Montana Highway 6 - Townsend to Forsyth

Montana Highway 8 - Crow Agency to Olive

Montana Highway 9 - Lolo to Idaho border at Lolo Pass

Montana Highway 11 - Alberta border at Sweetgrass to Vaughn, became part of U.S. Route 91 in 1934.

Montana Highway 14 - Fairview at the North Dakota border to Glendive

Montana Highway 15 - Chester to Stanford

Montana Highway 18 - Glendive to Grassrange

Montana Highway 20 - North Dakota border at Sidney to Idaho border near Heron (Replaced by MT 200.)

Montana Highway 22 - Saskatchewan border at Port of Ophiem to Wyoming border at Alzada

Montana Highway 26 - Manicke to Trout Creek

Montana Highway 27 - Big Sandy to Winifred

Montana Highway 29 - Great Falls to Port of Wildhorse

Montana Highway 30 - South Dakota border near Midland to Jct U.S. Route 12 northwest of Mizpah

Montana Highway 31 - Bigfork to Drummond

Montana Highway 32 - Rockvale to Yellowstone National Park at Silver Gate

Montana Highway 33 - Choteau to Wolf Creek

Montana Highway 34 - Twin Bridges to Ennis

Montana Highway 36 - Dillon to Gibbons Pass

Montana Highway 45 - Forsyth to Lame Deer via Lee

Montana Highway 50 - Jct U.S. Route 287 to Idaho border at Raynolds Pass

Montana Highway 110 - Opportunity to Drummond

Montana Highway 187 - Wilsall to West Yellowstone

Montana Highway 191 - Jct U.S. Route 10S at Sappington to Jct Montana Highway 187 at Grayling

Montana Highway 789 - Alberta border at Sweetgrass, south along Interstate 15 / U.S. Route 91 to Great Falls, then southeast along U.S. Route 87 to Billings, then southwest along U.S. Route 212 to Laurel, then to Wyoming border south of Warren along U.S. Route 310

Montana Secondary Highway 216 - Jct Interstate 15 to Jct U.S. Route 89 via Valier (Replaced by Montana Highway 44.)

Montana Secondary Highway 230 - Windham to Fort Benton (Replaced by Montana Highway 80.)

Montana Secondary Highway 235 - Brooks to Jct Montana Secondary Highway 230 near Arrow Creek (Replaced by Montana Highway 81.)

Montana Secondary Highway 242 - Port of Morgan at the Saskatchewan border to Malta (Replaced by U.S. Route 191)

Montana Secondary Highway 281 - Cardwell to Boulder (Replaced by Montana Highway 69.)

Montana Secondary Highway 289 - Norris to Bozeman Hot Springs (Replaced by Montana Highway 84.)

Montana Secondary Highway 291 - Bozeman Hot Springs to Belgrade (Replaced by Montana Highway 85.)

Montana Secondary Highway 293 - Wilsall to Bozeman (Old Montana Highway 187 ; replaced by Montana Highway 86.)

Montana Secondary Highway 307 - Columbus to Red Lodge (Now Montana Highway 78.)

Montana Secondary Highway 319 - Jct U.S. Route 212 South of Broadus to Wyoming border south of Biddle (Replaced by Montana Highway 59 in 196x)

Montana Secondary Highway 375 - Continental Drive -- downtown Butte to Jct Old US 10 (Montana Highway 2) southeast of Butte

Montana Secondary Highway 376 - Fort Belknap Agency to Jct U.S. Route 191 near Landusky (Replaced by Montana Highway 66)

Montana Secondary Highway 397 - Belfry to Wyoming border (Replaced by Montana Highway 72)

Montana Secondary Highway 461 - Jct Montana Highway 200 near Paradise to St. Regis (Replaced by Montana Highway 135)

Montana Secondary Highway 483 - Port of Del Bonita to Santa Rita (Replaced by an extension of Montana Secondary Highway 213)

Montana Secondary Highway 498 - In Great Falls (Replaced by bypass U.S. Route 87)

Montana Secondary Highway 499 - Follows the north end of Hebgen Lake from Jct Montana Highway 287 to Jct U.S. Route 191 (Replaced by U.S. Route 287 in 1964)

Montana Secondary Highway 506 - Yaak to Libby (Replaced by Montana Secondary Highway 567)