Interstate Highways

 

Montana | U.S. Routes | Highways 1-287 | Secondary Highways 201-399 | Secondary Highways 400-574 | State Line Crossings |

Main | AB-4/AB Int’l Boundary to S-214 | S-214 to S-552 | S-552 to S-215/S-343 | S-215/S-343 to I-15 Bus/MT-67 | I-15 Bus/MT-67 to I-15 Bus/US-2 | I-15 Bus/US-2 to MT-44 | MT-44 to S-366 | S-366 to I-15 Bus | I-15 Bus to I-15 Bus | I-15 Bus to S-365 | S-365 to S-221/S-379 | S-221/S-379  to S-431 | S-431 to US-89/MT-200 | US-89/MT-200 to I-15 Bus | I-15 Bus to I-315/I-15 Bus/US-89/MT-3/MT-200 | I-315/I-15 Bus/US-89/MT-3/MT-200 to S-330 | S-330 to MT-68 | MT-68 to MT-68 | MT-68 to US-287 | US-287 to S-434 | S-434 to S-279/S-453 | S-279/S-453 to I-15 Bus | I-15 Bus to I-15 Bus/US-12/US-287 | I-15 Bus/US-12/US-287 to S-282/S-518 | S-282/S-518 to MT-69 | MT-69 to I-90 | I-90 to I-15 Bus/I-90 Bus/MT-2 | I-15 Bus/I-90 Bus/MT-2 to I-115/I-15 Bus/I-90 Bus | I-115/I-15 Bus/I-90 Bus to S-276 | S-276 to I-90 | I-90 to MT-43 | MT-43 to I-15 Bus | I-15 Bus to I-15 Bus | I-15 Bus to S-222/S-278 | S-222/S-278 to S-324 | S-324 to S-509 | S-509 to ID State Line |

Business (Butte) | I-15/I-90/I-90 Bus/MT-2 to I-115/MT-2 | I-115/MT-2 to I-15/I-90/I-115/I-90 Bus |

Business (Conrad) | I-15 to S-218 | S-218 to S-534 | S-534 to S-219 | S-219 to I-15 |

Business (Dillon) | I-15 to MT-41 | MT-41 to S-222 | S-222 to I-15 |

Business (Great Falls) | I-15/US-89/MT-200 to US-89/MT-3/MT-200 | US-89/MT-3/MT-200 to I-315 | I-315 to I-15/I-315/US-89/MT-3/MT-200 |

Business (Helena) | I-15/US-287 to S-229 | S-229 to US-12 | US-12 to S-229 | S-229 to I-15/US-12/US-287 |

Business (Shelby) | I-15/MT-67 to US-2/MT-67 | US-2/MT-67 to I-15/US-2 |

Main | ID State Line to MT-135 | MT-135 to S-257 | S-257 to I-90 Bus/S-507 | I-90 Bus/S-507 to I-90 Bus/S-507 | I-90 Bus/S-507 to S-263 | S-263 to US-93/MT-200/S-474 | US-93/MT-200/S-474 to I-90 Bus/US-93 | I-90 Bus/US-93 to US-93 Bus | US-93 Bus to I-90 Bus/US-12 | I-90 Bus/US-12 to MT-200 | MT-200 to S-210 | S-210 to I-90 Bus/MT-1 | I-90 Bus/MT-1 to I-90 Bus/S-271 | I-90 Bus/S-271 to US-12 | US-12 to MT-88 | MT-88 to I-90 Bus/S-275 | I-90 Bus/S-275 to I-90 Bus/S-275 | I-90 Bus/S-275 to S-273 | S-273 to MT-48 | MT-48 to MT-1 | MT-1 to S-441  | S-441 to I-15 | I-15 to S-276 | S-276 to I-115/I-15 Bus/I-90 Bus | I-115/I-15 Bus/I-90 Bus to I-15 Bus/I-90 Bus/MT-2 | I-15 Bus/I-90 Bus/MT-2 to I-15 | I-15 to MT-55/S-399 | MT-55/S-399 to MT-2/S-359 | MT-2/S-359 to US-287 | US-287 to MT-2/S-205 | MT-2/S-205 to S-288/S-346 | S-288/S-346 to S-347 | S-347 to MT-85/S-291 | MT-85/S-291 to S-412 | S-412 to I-90 Bus/S-570 | I-90 Bus/S-570 to I-90 Bus/US-191 | I-90 Bus/US-191 to I-90 Bus | I-90 Bus to US-89 | US-89 to I-90 Bus | I-90 Bus to US-89 | US-89 to S-295 | S-295 to I-90 Bus/US-191 | I-90 Bus/US-191 to I-90 Bus | I-90 Bus to MT-78 | MT-78 to I-90 Bus | I-90 Bus to US-212/US-310 | US-212/US-310 to I-90 Bus | I-90 Bus to I-90 Bus | I-90 Bus to S-416 | S-416 to MT-3 | MT-3 to I-90 Bus/US-87 | I-90 Bus/US-87 to I-94 | I-94 to I-90 Bus/MT-47 | I-90 Bus/MT-47 to I-90 Bus/MT-47 | I-90 Bus/MT-47 to US-212 | US-212 to S-451 | S-451 to S-463 | S-463 to S-457 | S-457 to WY State Line |

Business (Alberton) | I-90/S-507 to I-90/S-507 |

Business (Big Timber) | I-90/US-191 to S-298 | S-298 to US-191 | US-191 to I-90 |

Business (Billings) | I-90/US-212 to MT-3 | MT-3 to US-87 | US-87 to I-90/US-87/US-212 |

Business (Bozeman) | I-90/S-570 to US-191/S-570 | US-191/S-570 to MT-86 | MT-86 to I-90/US-191 |

Business (Butte) | I-15/I-90/I-115/I-15 Bus to I-115 | I-115 to I-15/I-90/I-15 Bus/MT-2 |

Business (Deer Lodge) | I-90/S-275 to S-272 | S-272 to I-90/S-275 |

Business (Drummond) | I-90/US-12/MT-1 to I-90/US-12/S-271 |

Business (Hardin) | I-90/US-87/US-212/MT-47 to S-313 | S-313 to S-384 | S-384 to I-90/US-87/US-212 |

Business (Laurel) | I-90 to US-310/S-532 | US-310/S-532 to I-90/US-212 |

Business (Livingston) | I-90/US-191 to S-295 | S-295 to I-90/US-89/US-191 |

Business (Missoula) | I-90/US-93/US-93 Bus/MT-200 to US-93 | US-93 to US-93 Bus | US-93 Bus to US-12 Bus | US-12 Bus to US-12/US-12 Bus | US-12/US-12 Bus to I-90/US-12/MT-200 |

Main | ND State Line to I-94 Bus | I-94 Bus to I-94 Bus/S-261 | I-94 Bus/S-261 to I-94 Bus | I-94 Bus to MT-16 | MT-16 to MT-200S | MT-200S to I-94 Bus | I-94 Bus to S-340 | S-340 to S-253 | S-253 to I-94 Bus/US-12 | I-94 Bus/US-12 to MT-59 | MT-59 to I-94 Bus | I-94 Bus to S-446/S-447 | S-446/S-447 to I-94 Bus | I-94 Bus to I-94 Bus/US-12 | I-94 Bus/US-12 to MT-39 | MT-39 to S-384 | S-384 to S-311 | S-311 to MT-47 | MT-47 to S-310 | S-310 to S-568 | S-568 to S-522 | S-522 to I-90/US-87/US-212 |

Business (Forsyth) | I-94/US-12 to US-12 | US-12 to I-94/US-12 |

Business (Glendive) | I-94 to S-335 | S-335 to MT-16 | MT-16 to MT-200S | MT-200S to I-94 |

Business (Miles City) | I-94/US-12 to MT-59 | MT-59 to MT-59 | MT-59 to I-94/US-12 |

Business (Wibaux) | I-94 to MT-7 | MT-7 to I-94/S-261 |

Main | I-15/I-90/I-15 Bus/I-90 Bus to I-15 Bus/I-90 Bus |

Main | I-15/I-15 Bus/US-89/MT-3/MT-200 to I-15 Bus/US-89/MT-3/MT-200 |