Montana Highway 3

Montana Highway 3
Montana Highway 3
	MT 3 highlighted in red
Route information
	Maintained by MDT
Length	221.770 mi (356.904 km)
Major junctions
South end	I-90 / US 212 in Billings
	US 12 from Lavina to Harlowton; US 191 from Harlowton to Moore; US 87 in Moore; US 89 in Armington; US 87 in Great Falls;
North end	I-15 / US 89 in Great Falls
Location
Country	United States
State	Montana
Highway system
	Montana Highway System; Interstate; US; State; Secondary;

Montana Highway 3 (MT 3) is a highway in central Montana extending north from Billings to Great Falls.