Ontario Highway 402

Ontario Highway 402, also called King's Highway 402, is a provincial highway in southwestern Ontario, Canada. It connects the Blue Water Bridge in Sarnia and Ontario Highway 401 in London. The highway runs mostly east-west. The only large municipalities along the highway are Sarnia and Strathroy-Caradoc.

Highway 402
Highway 402 highlighted in red
Route information
Maintained by Ministry of Transportation of Ontario
Length	102.5 km[1] (63.7 mi)
History	Planned: 1938 Designated: 1953 Completed: 1982
Major junctions
West end	I-69 / I-94 at Canada–United States border on Blue Water Bridge in Point Edward
Major intersections	Highway 40 in Sarnia  Highway 4 in London
East end	Highway 401 in London
Location
Country	Canada
Province	Ontario
Counties	Lambton, Middlesex
Major cities	Sarnia, London
Highway system
Ontario provincial highways Current Former 400-series
← Highway 401 Highway 403 →

Construction on the highway started in 1939 but was stopped due to World War II. Work started again in 1952. The highway was finished in 1982. In 2009, the westbound part of the highway near Sarnia was widened from four lanes into six lanes.