THORNTON (CBS) — A semi carrying more than 30,000 pounds of batteries rolled over on a ramp off southbound Interstate 294 in south suburban Thornton.

About 5 a.m., the semi–filled with 37,000 pounds of batteries–was taking the southbound I-294 ramp to westbound Interstate 80 when it rolled over, said Illinois State Police said.

The driver had minor injuries to his hands.

The one-lane ramp was still closed around 6 a.m. as crews worked to clear the scene.

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