Traffic delays are expected on Route 1 in Delaware County, Pennsylvania, after a tanker truck overturned Monday morning, causing thousands of gallons of heating oil to spill onto the roadway.

The truck flipped over around 9 a.m. in the northbound lanes of the Media Bypass, near Ridley Creek Road, in Upper Providence Township.

Officials say the truck had left a filling station in Marcus Hook and was headed to a location in Marple Township before crashing.

"One of the tanks, it has two tanks on it, one of the tanks had a large gaping hole in it, and it spilled out approximately 2,000 gallons of home heating oil," Alan Mancill, fire marshal and emergency management coordinator for Upper Providence Township, said.

Chopper 3 was over the scene, showing the truck on its side with its rear wh

See Full Page