Route | Beginn | Ende |
| Opportunity | Drummond |
| Three Forks | Butte |
| Billings | Great Falls |
| Scobey | Grenze zu North Dakota bei Westby |
| Ekalaka | Wibaux |
| Billings | Billings |
| Circle | Scobey an der Grenze zu Saskatchewan, Kanada |
| Glendive | Regway an der Grenze zu Saskatchewan, Kanada |
| bei Kennedy Creek | Grenzstation Chief Mountain an der Grenze zu Alberta, Kanada |
| Roy | Grass Range |
| Augusta | Simms |
| Sidney | Grenze zu North Dakota |
| | Grenzstation Opheim an der Grenze zu Saskatchewan, Kanada |
| Wolf Point | Bridge Park |
| Plains | Elmo |
| Polson | Evergreen |
| Libby | Eureka |
| Grantsdale | Porter’s Corners |
| Forsyth | Lame Deer |
| Whitefish | Columbia Falls |
| Dillon | Vendome Station |
| bei Glasgow | Glasgow |
| Lost Trail Pass | Divide |
| nördlich von Dupuyer | an der Ausfahrt 348 |
| Custer | Hardin |
| Mill Creek | Warm Springs |
| East Glacier Park | nördlich von Kiowa |
| bei Parsons Bridge | Whitehall |
| Troy | bei Noxon |
| Grenze zu Wyoming südlich von Biddle | Jordan |
| | Big Sky |
| Fort Belknap Agency | |
| Whitehall | Boulder |
| Grenze zu Wyoming südlich von Belfry | Bridger |
| Red Lodge | Columbus |
| Fort Benton | Stanford |
| Coffee Creek | Brooks |
| Bigfork | Somers |
| Clearwater Crossing | Bigfork |
| Bozeman Hot Springs | Norris |
| Bozeman Hot Springs | Belgrade |
| Bozeman | Wilsall |
| Grenze zu Idaho bei Raynolds Pass | bei Cliff Lake |
| Dillon | Dillon |
| Nashua | Fort Peck |
| St. Regis | bei Paradise |
| Avon | Mineral Hill |
| Heron | Fairview |
| bei Circle | ![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Business_Loop_94.svg/20px-Business_Loop_94.svg.png) bei Glendive |
| Twin Bridges | Ennis |