Liberty Tunnel
The Liberty Tunnels (also known as the Liberty Tubes) are a pair of tunnels located in Pittsburgh, Pennsylvania, United States that allow motorists to travel between the South Hills of Pittsburgh and the city, beneath 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. Opening in 1924, the Liberty Tunnels are the longest automobile tunnel in the City of Pittsburgh.
Traffic flowing through the Liberty Tunnels | |
| Overview | |
|---|---|
| Other name(s) | Liberty Tubes |
| Location | Mt. Washington, Pittsburgh, Pennsylvania |
| Coordinates | 40.429055°N 79.999419°W |
| Operation | |
| Opened | 1924 |
| Character | Twin Horseshoe Profile road tunnels |
| Technical | |
| Length | 5,889 feet (1,795 m) |
| No. of lanes | 4 |
| Tunnel clearance | 13 ft 6 in (4.11 m) |
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