| Montana Highway 78 | ||||
|---|---|---|---|---|
| Route information | ||||
| Maintained by MDT | ||||
| Length: | 49 mi (79 km) | |||
| Major junctions | ||||
| South end: | US 212 at Red Lodge | |||
| North end: | I-90 at Columbus | |||
| Location | ||||
| Counties: | Carbon, Stillwater | |||
| Highway system | ||||
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Highway 78 in the U.S. State of Montana is a route running in a northerly direction from an intersection with U.S. Route 212 at the city of Red Lodge. The highway extends about 49 miles (79 km) to a northern terminus at the town of Columbus.
Before receiving its present designation, Highway 81 was designated as Montana Secondary Highway 307.