Montana Highway 78

Montana Highway 78
MT 78 highlighted in red
Route information
Maintained by MDT
Length47.714 mi (76.788 km)
Major junctions
South end US 212 at Red Lodge
North end I-90 at Columbus
Location
CountryUnited States
StateMontana
CountiesCarbon, Stillwater
Highway system
MT 77 MT 80

Montana Highway 78 (MT 78) in the U.S. state of Montana is a state highway running in a northerly direction from an intersection with U.S. Highway 212 (US 212) at the city of Red Lodge. It runs through Roscoe and Absarokee. The highway extends about 49 miles (79 km) to a northern terminus at Interstate 90 (I-90) in the town of Columbus.