U.S. Route 87 in Montana

U.S. Highway 87
U.S. Highway 87
	US 87 highlighted in red
Route information
	Maintained by MDT
Length	444.376 mi (715.154 km)
Existed	1926–present
Major junctions
South end	I-90 / US 87 at the Wyoming state line
	US 212 from Crow Agency to Billings; I-90 / I-94 in Billings; US 12 in Roundup.; US 191 from Lewistown to Moore; US 89 from Armington to Great Falls;
North end	US 2 near Havre
Location
Country	United States
State	Montana
Counties	Big Horn, Yellowstone, Musselshell, Petroleum, Fergus, Judith Basin, Cascade, Chouteau, Hill
Highway system
	United States Numbered Highway System; List; Special; Divided; Montana Highway System; Interstate; US; State; Secondary;

U.S. Highway 87 (US 87) is a north-south United States Numbered Highway in the state of Montana. It extends approximately 444.4 miles (715.2 km) from the Wyoming state line north to its terminus at US 2 near Havre.

^ Road Inventory and Mapping Section (2013). Montana Road Log (PDF). Helena: Montana Department of Transportation. pp. 16–18, 63–66, 95–96, 70–72, 95–96, 100–101. Archived from the original (PDF) on January 1, 2020. Retrieved November 27, 2020.

[MDT-1] Road Inventory and Mapping Section (2013). Montana Road Log (PDF). Helena: Montana Department of Transportation. pp. 16–18, 63–66, 95–96, 70–72, 95–96, 100–101. Archived from the original (PDF) on January 1, 2020. Retrieved November 27, 2020.

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