Highway 401 in Ontario, Canada

Highway 401 in Ontario, Canada, is the country’s busiest highway and one of the most heavily trafficked routes in North America. Spanning from Windsor to the Ontario-Quebec border, it serves as a vital corridor for both commuters and commercial transport. The stretch through Toronto is particularly congested, with sections seeing over 500,000 vehicles daily. This volume makes it essential for local and interprovincial travel, connecting major cities and facilitating trade. The 401’s importance also comes with challenges, as heavy traffic often leads to delays and accidents, making it a critical focus for infrastructure improvements and traffic management.