Ontario Highway 3B

King's Highway 3B marker

King's Highway 3B

Route information
Maintained by City of Windsor
Length11 km[citation needed] (6.8 mi)
Existed1935–1998
Location
CountryCanada
ProvinceOntario
CountiesEssex
Highway system
Highway 3 Highway 4

King's Highway 3B, commonly referred to as Highway 3B, was a provincially maintained highway within Windsor, in the Canadian province of Ontario. Its purpose was to link Highway 3 and Highway 401 with the Detroit–Windsor Tunnel and downtown Windsor. Highway 3B was routed along the city streets of Ouellette Avenue, Ouellette Place, Howard Avenue, and Dougall Avenue, and the short freeway of Dougall Parkway.