Wisconsin Highway 120

State Trunk Highway 120
WIS 120 highlighted in red
Route information
Maintained by WisDOT
Length	21.34 mi[1] (34.34 km)
Major junctions
South end	IL 47 in Genoa City
Major intersections	US 12 / WIS 50 in Lake Geneva
North end	I-43 in East Troy
Location
Country	United States
State	Wisconsin
Counties	Walworth
Highway system
Wisconsin State Trunk Highway System Interstate US State Scenic Rustic
← WIS 119 → WIS 121

State Trunk Highway 120 (often called Highway 120, STH-120 or WIS 120) is a state highway in the U.S. state of Wisconsin. It runs in north–south in southeast Wisconsin from the Illinois Border near Lake Geneva to south of East Troy. It continues in Illinois as State Route 47.