CRANBERRY, Pa. (WKBN) – A crash has closed a portion of Interstate 79 in Cranberry Township.

According to the Pennsylvania Department of Transportation, I-79 northbound is shut down between Exit 76 and Exit 78.

Pittsburgh CBS affiliate KDKA is reporting that a tractor-trailer overturned on the highway.

It’s not clear when the road is expected to fully reopen. As of 6:28 p.m., PennDOT was still reporting traffic disruptions.

You can monitor traffic conditions at PA 511.