Wisconsin Highway 181

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State Trunk Highway 181
WIS 181 highlighted in red
Route information
Maintained by WisDOT
Length	21.44 mi (34.50 km)
Major junctions
South end	WIS 59 in West Allis
Major intersections	I-94 in Milwaukee US 18 in Wauwatosa US 41 in Milwaukee
North end	WIS 60 in Cedarburg
Location
Country	United States
State	Wisconsin
Counties	Milwaukee, Ozaukee
Highway system
Wisconsin State Trunk Highway System Interstate US State Scenic Rustic
← WIS 180 → WIS 182

State Trunk Highway 181 (often called Highway 181, STH-181 or WIS 181) is a 21.44-mile (34.50 km) state highway in Milwaukee and Ozaukee counties in Wisconsin, United States, that runs north–south in southeast Wisconsin from West Allis to Cedarburg.