Location: St. Clair Railroad Tunnel (new)
The new single track international railroad tunnel was bored between Port Huron and Sarnia, Ontario in the 1990's, replacing another smaller single-track tunnel which lasted over one hundred years.
Photo Info/Credit: Top, the eastbound (Port Huron) entrance to the new CN International Railroad Tunnel. You can see the old tunnel entrance to the right. [Charlie Whipp]. 2nd photo, another view on the American side with a better view of the old tunnel. [Chip Walker]