Green Bay Road | ||||
Route information | ||||
Maintained by IDOT | ||||
Length | 15.15 mi[1] (24.38 km) | |||
Existed | 1938[2]–present | |||
Major junctions | ||||
South end | IL 176 in Lake Bluff | |||
North end | WIS 31 / CR A1 in Winthrop Harbor | |||
Location | ||||
Country | United States | |||
State | Illinois | |||
Counties | Lake | |||
Highway system | ||||
|
Illinois Route 131 (IL 131) is a north–south state route in northeastern Illinois. It extends south from Wisconsin Highway 31 and Lake CR A1/19 (128th Street) at the Illinois/Wisconsin state line by Pleasant Prairie, south to Illinois Route 176 in Lake Bluff, a distance of 15.15 miles (24.38 km).[1]