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King's Highway 401, commonly referred to as Highway 401 and also known by its official name as the Macdonald–Cartier Freeway or colloquially referred to as the four-oh-one, is a controlled-access 400-series highway in the Canadian province of Ontario. It stretches 828 kilometres (514 mi) from Windsor in the west to the Ontario–Quebec border in the east. The part of Highway 401 that passes through Toronto is North America's busiest highway, and one of the widest. Together with Quebec Autoroute 20, it forms the road transportation backbone of the Quebec City–Windsor Corridor, along which over half of Canada's population resides. It is also a Core Route in the National Highway System of Canada. The route is maintained by the Ministry of Transportation of Ontario (MTO) and patrolled by the Ontario Provincial Police. The speed limit is 100 km/h (62 mph) throughout its length, with the only exceptions the posted 80 km/h (50 mph) limit westbound in Windsor and in most construction zones.
By the end of 1952, three individual highways were numbered "Highway 401": the partially completed Toronto Bypass between Weston Road and Highway 11 (Yonge Street); Highway 2A between West Hill and Newcastle; and the Scenic Highway between Gananoque and Brockville, now known as the Thousand Islands Parkway. These three sections of highway were 11.8, 54.7 and 41.2 km, (7.3, 34.0 and 25.6 mi), respectively. In 1964, the route became fully navigable from Windsor to the Ontario–Quebec border. In 1965 it was given a second designation, the Macdonald–Cartier Freeway, in honour of two Fathers of Confederation. At the end of 1968, the Gananoque–Brockville section was bypassed and the final intersection grade-separated near Kingston, making Highway 401 a freeway for its entire 817.9-km length. On August 24, 2007, the portion of the highway between Glen Miller Road in Trenton and the Don Valley Parkway / Highway 404 Junction in Toronto was designated the Highway of Heroes, as the road is travelled by funeral convoys for fallen Canadian Forces personnel from CFB Trenton to the coroner's office in Toronto. On September 27, 2013, the Highway of Heroes designation was extended west to Keele Street in Toronto, to coincide with the move of the coroner's office to the new Forensic Services and Coroner's Complex at the Humber River Hospital.
Full Wikipedia TopicRoute information | |
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Maintained by the Ministry of Transportation of Ontario | |
Length | 828.0 km (514.5 mi) |
History | Proposed 1938 Opened December 1947 – October 11, 1968 Extended June 28 and November 21, 2015 |
Major junctions | |
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West end | Ojibway Parkway in Windsor | E. C. Row Expressway in Windsor Highway 402 in London Highway 403 near Woodstock 407 ETR near Milton Highway 403 / Highway 410 in Mississauga Highway 427 in Toronto Highway 409 in Toronto Highway 400 in Toronto Highway 404 / Don Valley Parkway in Toronto Highway 412 in Whitby Highway 418 in Clarington Highway 137 to I-81 Highway 416 towards Ottawa |
East end | A-20 towards Montreal, QC |
Locations | |
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Major cities | Windsor, London, Kitchener, Cambridge, Mississauga, Toronto, Oshawa, Kingston and Cornwall |
Alpha Release News: see notes.