Montana Highway 84

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Montana Highway 84

MT 84 highlighted in red
Route information
Maintained by MDT
Length28.904 mi[1] (46.516 km)
Major junctions
West end US 287 in Norris
East end US 191 / MT 85 near Four Corners
CountryUnited States
CountiesGallatin, Madison
Highway system
MT 83 MT 85

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.

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

Major intersections

MadisonNorris0.0000.000 US 287 – Harrison, Ennis
S-288 north – Churchill, Amsterdam
Four Corners28.90446.516
US 191 / MT 85 north – Belgrade, Bozeman, West Yellowstone
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b Montana Department of Transportation (January 19, 2022). "ALTIS Road Log Report" (PDF). Helena: Montana Department of Transportation. Retrieved November 25, 2015.