A rollover accident on Interstate 79 is causing backups on the highway near the Route 51 exit, northbound.
PennDOT says the truck rollover accident happened after 10 a.m. Monday morning just south of the Coraopolis/McKees Rocks Exit (64).
Emergency services are on the scene.
PennDOT camera show the truck overturned off the road near the “S bends”.
Traffic is reduced to a single lane and causing backups.