The Longest Tunnel In Indiana, Edwardsville Tunnel, Has A Truly Fascinating Backstory

Tucked away near Edwardsville, Indiana, is an oft-forgotten national treasure. The Duncan Tunnel, also known as the Edwardsville Tunnel for obvious reasons, is nearly a mile long, and its past is littered with intrigue.

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If you’re a bridge and tunnel enthusiast like we are, or you just want to know more, you might want to check out this article from New Albany Valley News written in 1960. It offers up a lot of interesting information!

Have you ever crossed through this legendary tunnel? What’s the craziest tunnel you’ve ever seen? Tell us all about them in the comments!

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