Interstate 94 in Montana

Interstate 94
I-94 highlighted in red
Route information
Maintained by MDT
Length249.606 mi (401.702 km)
NHSEntire route
Major junctions
West end I-90 / US 87 / US 212 in Lockwood
Major intersections
East end I-94 at the North Dakota state line in Beach, ND
Location
CountryUnited States
StateMontana
CountiesYellowstone, Treasure, Rosebud, Custer, Prairie, Dawson, Wibaux
Highway system
US 93 MT 117

Interstate 94 (I-94) is an east–west Interstate Highway, which links Billings, Montana, to the Canada–US border in Port Huron, Michigan. The portion in the US state of Montana is 250 miles (400 km) long, linking seven counties through the central part of the state.

The speed limit has been 80 mph (130 km/h) since January 2016, except near Billings where it is 65 mph (105 km/h).