Wisconsin Highway 15

State Trunk Highway 15
WIS-15 highlighted in red
Route information
Maintained by WisDOT
Length	14.8 mi[1] (23.8 km)
Major junctions
West end	US 45 southeast of New London
Major intersections	WIS 76 in Greenville
East end	I-41 / US 41 / CTH-OO northwest of Appleton
Location
Country	United States
State	Wisconsin
Counties	Outagamie
Highway system
Wisconsin State Trunk Highway System Interstate US State Scenic Rustic
← WIS 14 → WIS 16

State Trunk Highway 15 (STH-15, commonly known as Highway 15 or WIS 15) is a 14.8-mile (23.8 km)state highway in Outagamie County in the US state of Wisconsin that runs east–west and provides a shortcut to Appleton from U.S. Highway 45 (US 45) for travelers inbound from points north and west. Most of WIS 15 was once part of US 45, which was redirected south of New London to bypass Appleton and provide direct access to Oshkosh and points south.