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.

Chopper 3 was over the scene, showing the truck on its side with its rear wheels separated from its back and oil on the road.

CBS News Philadelphia

Upper Providence Township police said the diesel spill was contained.

Police said it's unclear exactly how much oil was spilled, but said the number was "substantial."

The driver was able to crawl out of the cab of the oil tanker truck. He was taken to a nearby hospital. His condition is unknown.

Officials are conce

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