A crash on I-76 eastbound in Conshohocken, Pennsylvania, is slowing down traffic Thursday morning.

The multi-vehicle crash was reported just after 7 a.m. and caused the roadway to close down while crews worked to clear the scene.

Pennsylvania State Police said the road reopened just before 9 a.m.

The crash involved a dump truck and four other vehicles, according to PSP. All vehicles have since been towed from the highway and only minor injuries have been reported.

Crews were working to clear a liquid spill on the roadway.

CBS News Philadelphia

The crash caused traffic to back up for miles to Exit 328 for Route 202 and Route 422.

This is a developing story. Check back for updates.

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