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]

Quick Facts Route information, Length ...

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

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