Norfolk Southern

Margaret J. Krauss / 90.5 WESA

Partial light rail service will resume Thursday at Station Square, Port Authority officials said.

Kathleen J. Davis / 90.5 WESA

Cleanup efforts are underway on Pittsburgh’s South Side to remove seven derailed cars from a Norfolk Southern freight train, which caused extensive damage to the Station Square light rail stop on Sunday. It's unclear how long the process will take, according to the city's Department of Public Safety.

Matt Nemeth / 90.5 WESA

Norfolk Southern blasted loose boulders Wednesday from a Mt. Washington hillside that were threatening to tumble onto its railroad tracks and a busy city road below.