Wisconsin Highway 31

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State Trunk Highway 31 marker

State Trunk Highway 31
Green Bay Road
Ole Davidson Road
Route information
Maintained by WisDOT
Length: 22.86 mi[1] (36.79 km)
Major junctions
South end: IL 131 in Pleasant Prairie
North end: WIS 32 in Caledonia
Counties: Kenosha, Racine
Highway system
WIS 30 WIS 32

State Trunk Highway 31 (often called Highway 31, STH 31 or WIS 31) is a state highway in the U.S. state of Wisconsin. It runs north–south as a suburban route passing Racine and Kenosha. With the exception of a two-mile (3 km) stretch between Four Mile Road and Wisconsin Highway 32 at the north end, WIS 31 is a multi-lane urban highway. An expansion of the remaining two miles was proposed by the Wisconsin Department of Transportation.

Route description[edit]

WIS 31 begins at the Illinois state line where it connects to ILL 131, following Green Bay Road to its junction through Pleasant Prairie. The highway briefly passes through the northwestern part of Kenosha. WIS 50 and WIS 158 cross WIS 31 in Kenosha. WIS 31 passes along the west side of University of Wisconsin–Parkside one mile (1.6 km) south of the Racine County line.[2] In the Racine area, WIS 31 crosses WIS 11, WIS 20 and WIS 38, turning onto Ole Davidson Road in Caledonia. Green Bay Road, named after the historic route connecting Chicago with Milwaukee and Green Bay, has been upgraded to four-lane divided highway for the entire length. Ole Davidson Road has been upgraded to a divided highway from the split with North Green Bay Road to Four Mile Road.[3]


Major intersections[edit]

County Location mi km Destinations Notes
Kenosha Pleasant Prairie WIS 165
Kenosha WIS 50
WIS 158
Somers CTH-E
Racine Sturtevant WIS 11
Mount Pleasant WIS 20
WIS 38
Caledonia WIS 32
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ Bessert, Chris. "Wisconsin Highways: Highways 30-39 (Highway 31)". Wisconsin Highways. Retrieved 2007-03-20. 
  2. ^ Kenosha Co (pdf) (Map). Wisconsin Department of Transportation. Retrieved 2008-03-02. 
  3. ^ Racine Co (pdf) (Map). Wisconsin Department of Transportation. Retrieved 2008-03-02.