1.0Thumbcoast.tv | ebw.tv - Serving Port Huron and the Thumbcoasthttps://thumbcoast.tvGrand Trunk Railroad | St. Clair Tunnel - Thumbcoast Memoriesrich600338<blockquote class="wp-embedded-content" data-secret="tzeczx7uwZ"><a href="https://thumbcoast.tv/thumbcoastmemories-grand-trunk-railroad-st-clair-tunnel/">Grand Trunk Railroad St. Clair Tunnel – Thumbcoast Memories</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://thumbcoast.tv/thumbcoastmemories-grand-trunk-railroad-st-clair-tunnel/embed/#?secret=tzeczx7uwZ" width="600" height="338" title="“Grand Trunk Railroad St. Clair Tunnel – Thumbcoast Memories” — Thumbcoast.tv | ebw.tv - Serving Port Huron and the Thumbcoast" data-secret="tzeczx7uwZ" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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https://thumbcoast.tv/wp-content/uploads/2025/11/ThumbcoastMemoriesStClairTunnel1.jpg768672An engineering marvel, right under our feet. Completed in 1891, the St. Clair Tunnel ran deep beneath the St. Clair River to enable trains to transport goods to and from Canada. Want to know more? Dive in with this episode of Thumbcoast Memories.