Work being undertaken below ground in July 1980 on Philadelphia's Center City Commuter Connection, (CCCC or 'the commuter tunnel'), a ail connection in Center City, Philadelphia, Pennsylvania, USA. It was constructed, mainly

Description

Angel's Flight – The Trolley Dodger

Urban Engineers

Urban Engineers

Underground construction work hi-res stock photography and images - Alamy

Urban Engineers

Work being undertaken below ground in July 1980 on Philadelphia's Center City Commuter Connection, (CCCC or 'the commuter tunnel'), a ail connection in Center City, Philadelphia, Pennsylvania, USA. It was constructed, mainly

From our Reprise Collection: Making the Center City commuter connection - WHYY

From our Reprise Collection: Making the Center City commuter connection - WHYY

Single Most Transformative Investment? The Commuter Rail Tunnel, Now Turning 30

Inside SEPTA's Unused Underground Concourse, To Be Restored