Montana Highway 80

Montana Highway 80 (MT 80) is a 67.172-mile-long (108.103 km) north–south state highway in the U.S. State of Montana. MT 80's southern terminus is at U.S. Route 87 (US 87), MT 3 and MT 200 in the community of Stanford and the northern terminus is at US 87 in the town of Fort Benton. The landscape is hilly and rural, and largely used for wheat farming; the road also passes through Arrow Creek Canyon and near the Highwood Mountains. Between Arrow Creek and Geraldine, MT 80 is roughly paralleled by the main line of Central Montana Rail.^[2]

Montana Highway 80
MT 80 highlighted in red
Route information
Maintained by MDT
Length	67.172 mi[1] (108.103 km)
Major junctions
South end	US 87 / MT 3 / MT 200 at Stanford
Major intersections	MT 81 north of Arrow Creek
North end	US 87 at Fort Benton
Location
Country	United States
State	Montana
Counties	Judith Basin, Fergus, Chouteau
Highway system
Montana Highway System Interstate US State Secondary
← MT 78 → MT 81

History

Before receiving its current designation, Highway 80 was designated as Montana Secondary Highway 230.

Major intersections

County	Location	mi[1]	km	Destinations	Notes
Judith Basin	Stanford	0.000	0.000	US 87 / MT 3 / MT 200 – Lewistown, Great Falls
Fergus	​	17.394	27.993	MT 81 east – Denton
Chouteau	​	64.560	103.899	S-228 south
	Fort Benton	65.193	104.918	S-386
		65.614	105.595	S-387 north
	​	67.172	108.103	US 87 / S-223 – Great Falls, Havre, Chester
1.000 mi = 1.609 km; 1.000 km = 0.621 mi