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 ...

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 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 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 ...

PITTSBURGH — Multiple cars were involved in a crash at the Armstrong Tunnel after a police pursuit Tuesday. Pennsylvania State Police in a release said two people were facing multiple charges ...