All four lanes have reopened after a two-vehicle crash shortly before 7 a.m. on Interstate 79 southbound approaching the Parkway North.
Traffic continued to back up into Butler County long after the crash was cleared.
The crash had the center lane of three lanes blocked. Traffic was backing beyond Wexford.
There were no immediate reports of injuries.
Jon Schmitz: firstname.lastname@example.org, 412-263-1868 and on Twitter @pgtraffic.