The Liberty Tunnels (also known as the Liberty Tubes) are a pair of tunnels located in Pittsburgh Pennsylvania that allow motorists to travel between the South Hills of Pittsburgh and the city through Mt. Washington. The tunnels were vital in the expansion of the South Hills suburbs by providing a direct route to the city eliminating the time-consuming task of navigating around or over Mt. Washington and its inclines.
thumbnail
point
length (km)
1794.97
height (cm)
4.2672
location
Pennsylvania, Pittsburgh, Mount Washington (Pittsburgh)
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