Pittsburgh is a city of tunnels, a necessity due to its hilly topography. ... When the western portion of the Pennsylvania Canal was built in 1827-29, it extended from Johnstown to Pittsburgh.

PITTSBURGH, Pa. — When the Liberty Tunnels opened on March 23, 1924, they marked the beginning of a transformation that would define the South Hills. Heralded as an engineering marvel, they had ...

Liberty Tunnel closed for inspection 00:22. PITTSBURGH (KDKA) - We've got a pretty big traffic alert for drivers this upcoming week. If you use the Liberty Tunnels as part of your commute, you ...

PA Gov. William C. Sproul came to Pittsburgh to see the groundbreaking ceremony for the Liberty Tunnels on Dec. 20, 1919. After a procession through the South Hills, officials kicked off the ...

The Pennsylvania Turnpike Commission is taking a new look at a long-dormant plan to replace mile-long tunnels near Somerset.The Pittsburgh Post-Gazette reported Wednesday the turnpike commission ...

The Big Savage Tunnel is getting ready to open for the season to connect the two areas once again. ... Maryland to Pittsburgh, Pennsylvania with 150 miles of trail that runs through valleys, ...

The abandoned tunnel at Sideling Hill, the longest of the original tunnels on the Pennsylvania Turnpike, is more than a mile and a quarter long. Nine workers were killed during the blasting for ...