King's Highway 401, commonly referred to as Highway 401 and officially known as the Macdonald–Cartier Freeway or colloquially referred to as the four-oh-one, is a 400-series highway in the Canadian pr
Highway 401 looking west at split with Highway 402 in London.
Highway 401 eastbound express lanes at Weston Road. This section has a volume of over 500,000 vehicles per day during the summer months.
Different colours are used on the signs on Highway 401's collector-express system to avoid confusion. The express lanes use green signs and the collector lanes use blue.
At the freeway's widest point in Mississauga near Toronto Pearson Airport, on the eastbound express lanes approaching the Airport Basketweave
The Gordie Howe International Bridge is a cable-stayed bridge across the Detroit River. The international crossing connects Detroit, Michigan, United States with Windsor, Ontario, Canada by linking In
Ontario Highway 401
…referred to as the four-oh-one, is a 400-series highway in the Canadian province of Ontario. It is an 828-kilometre (514 mi) freeway, travelling from the Gordie Howe International Bridge at Windsor in the west to the Ontario–Quebec border in the east (west of Montreal). The part of Highway 401 that passes through Toronto is North America's…
Gordie Howe International Bridge days before its opening, July 2026
An aerial view of the Gordie Howe International Bridge with the Ambassador Bridge in the foreground, June 2025
Crossing the bridge from the Canadian side heading towards the American side
Early construction of the support towers, as shown on the American side in June 2021