The Economic Times

In 1930, Detroit and Windsor opened an underwater road tunnel; 96 years later, the mile-long crossing still serves motorists between the two cities

The Detroit-Windsor Tunnel, inaugurated in 1930, serves as a vital conduit for both commuters and tourists alike, linking the bustling city of Detroit, USA, with Windsor, Canada. This key international passage sees a high volume of automobile traffic. Ongoing renovations ensure the tunnel's infrastructure remains state-of-the-art, while contemporary engineering studies continue to emphasize the benefits of immersed tube tunnel construction.