melagros chanthalyma on Instagram: "Highway 401 also known as Macdonald-Cartier Freeway, is the busiest highway in North America and runs for 828 km (514.5 mi) across Southern Ontario, Canada, from Windsor to the Quebec border. It is the backbone of the Quebec City-Windsor Corridor, which is home to over half of Canada's population. The highway was constructed in sections starting in 1947, and parts of it in the Greater Toronto Area have up to 18 lanes to handle heavy traffic. One section, betwe