Wisconsin Highway 19

State Trunk Highway 19
WIS 19 highlighted in red
Route information
Maintained by WisDOT
Length	59.37 mi[1] (95.55 km)
Major junctions
West end	US 14 / WIS 78 in Mazomanie
Major intersections	US 12 in Springfield Corners I-39 / I-90 / I-94 in Madison US 51 in Madison US 151 in Sun Prairie
East end	WIS 16 in Watertown
Location
Country	United States
State	Wisconsin
Counties	Dane, Dodge, Jefferson
Highway system
Wisconsin State Trunk Highway System Interstate US State Scenic Rustic
← WIS 18 → WIS 20

State Trunk Highway 19 (often called Highway 19, STH-19 or WIS 19) is a state highway in the U.S. state of Wisconsin. It provides a more direct route from U.S. Highway 14 near Mazomanie east to Highway 16 at Watertown, passing around the north side of Madison. WIS 19 is a local connector route that links the communities of Waunakee, Sun Prairie and Watertown. The highway follows two lane surface road for the entire length with the exception of urban multilane arterials.