Eastbound Route 30 reopened overnight near the East Pittsburgh Street ramps in Greensburg, after a driver apparently threw a jug of chemicals at another car in an apparent road-rage incident on Tuesday night.

The westbound lanes reopened around 11:45 p.m., according to Westmoreland 911 officials.

“The person threw a five-gallon jug of xylene out the window,” Hempfield No. 2 Fire Chief Tom Kline said.

Xylene is a chemical solvent, typically used as a paint thinner.

Neither of the drivers remained at the scene, Kline said.

“We’re going to have PennDOT come out and lay down some sand,” Kline said. “We used foam temporarily, to knock down the fumes.”

The incident happened shortly before 8:30 p.m., according to county emergency dispatchers.

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