Wisconsin Highway 80

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State Trunk Highway 80
WIS 80 highlighted in red
Route information
Maintained by WisDOT
Length	175.73 mi (282.81 km)
Major junctions
South end	IL 84 in Hazel Green
Major intersections	US 151 in Platteville US 18 in Montfort US 18 in Cobb US 14 in Richland Center US 12 / WIS 16 in New Lisbon I-90 / I-94 in New Lisbon
North end	US 10 in Marshfield
Location
Country	United States
State	Wisconsin
Counties	Grant, Iowa, Richland, Vernon, Juneau, Wood
Highway system
Wisconsin State Trunk Highway System Interstate US State Scenic Rustic
← WIS 79 → WIS 81

State Trunk Highway 80 (abbreviated as Highway 80, STH-80 or WIS 80) is a state highway in the U.S. state of Wisconsin. It runs north–south in southwest and west central Wisconsin from just south of Marshfield, near the geographic center of the state to the Illinois border near Hazel Green.