Wisconsin Highway 145

State Trunk Highway 145
State Trunk Highway 145
	WIS 145 highlighted in red
Route information
	Maintained by WisDOT
Length	24.7 mi (39.8 km)
Major junctions
South end	US 18 in Milwaukee
	I-43 in Milwaukee; I-41 / US 45 / WIS 100 in Milwaukee; I-41 / US 41 in Richfield;
North end	WIS 175 in Richfield
Location
Country	United States
State	Wisconsin
Counties	Milwaukee, Waukesha, Washington
Highway system
	Wisconsin State Trunk Highway System; Interstate; US; State; Scenic; Rustic;

State Trunk Highway 145 (STH-145, commonly known as Highway 145 or WIS 145) is a 24.7-mile (39.8 km) state highway in Milwaukee, Waukesha, and Washington counties in Wisconsin, United States, that connects the northwest suburbs of Milwaukee with the city's downtown. For much of its route, the highway is known as Fond du Lac Avenue.