Explore the Liberty Tunnels

Historical Society of Mount Lebanon

Learn how The Liberty Tunnels changed southern Allegheny County forever.

The Liberty Tunnels opened a century ago, ushering in a period of explosive growth in the South Hills, including a 500 percent increase in the population of Mt. Lebanon. Automobile ownership was expanding, and demand for suburban homes was so strong that there were periodic shortages of moving vans.When they first opened, the Liberty Tunnels were the longest automobile tunnels in the world. They were originally built with a pedestrian walkway and even equipped with a jail cell. Join historian Geoff Hurd to learn how the location was selected, how the tunnels were built, and why they changed southern Allegheny County forever.$10 Members / $15 Non-members

Explore the Liberty Tunnels

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Explore the Liberty Tunnels

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