Montana Highway 80

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Montana Highway 80

MT 80 highlighted in red
Route information
Maintained by MDT
Length67.172 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
CountryUnited States
CountiesJudith Basin, Fergus, Chouteau
Highway system
MT 78 MT 81

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]


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

Major intersections

Judith BasinStanford0.0000.000 US 87 / MT 3 / MT 200 – Lewistown, Great Falls
MT 81 east – Denton
S-228 south
Fort Benton65.193104.918 S-386
S-387 north
67.172108.103 US 87 / S-223 – Great Falls, Havre, Chester
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b Montana Department of Transportation (January 19, 2022). "ALTIS Road Log Report" (PDF). Helena: Montana Department of Transportation. Retrieved March 8, 2017.
  2. ^ Official 2007-2008 Montana Highway Travel Map (PDF) (Map). Montana Department of Transportation. Retrieved December 8, 2007.