Montana Highway 84

Highway 84 (MT 84) is a 28.904-mile-long (46.516 km) east–west state highway in the U.S. State of Montana. MT 84's western terminus is at U.S. Route 287 (US 287) in the small community of Norris and the eastern terminus is at US 191 and MT 85 at Four Corners. The highway's eastern terminus, about 7 miles (11 km) west of Bozeman, is a location known locally as "Four Corners." From Four Corners, US 191 runs east to Bozeman, and south to West Yellowstone; Highway 84 travels west to Norris; and Montana Highway 85 runs north to Belgrade.

Montana Highway 84
MT 84 highlighted in red
Route information
Maintained by MDT
Length	28.904 mi[1] (46.516 km)
Major junctions
West end	US 287 in Norris
East end	US 191 / MT 85 near Four Corners
Location
Counties	Gallatin, Madison
Highway system
Montana Highway System Interstate U.S. State Secondary ← MT 83 MT 85 →

Before receiving its current designation, Highway 84 was designated as Montana Secondary Highway 289.