WASHINGTON COUNTY (KDKA) – A tractor-trailer crash is causing backups along Interstate 70 in Washington County.

According to emergency dispatchers, the tractor-trailer overturned in the westbound lanes near mile marker 37.

The crash happened just before 9 a.m. and caused a small amount of diesel fuel to spill onto the roadway, which has since been cleaned up.

Traffic is being diverted onto the exit ramp to the Mon-Fayette Expressway to get around the crash.

There are no reported injuries and the cause of the crash is unknown.

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