Interstate 78

U. MACUNGIE TWP., Pa. - A crash caused heavy traffic delays on Interstate 78 in the Lehigh Valley on Friday.

The wreck happened shortly before noon on the westbound side of the highway in Upper Macungie Township, a few miles before the Route 100 exits.

A tractor-trailer crashed into the center median, and there were lane restrictions and delays on both sides of the highway, state police said.

Troopers cleared the scene less than an hour later, but there were some delays as traffic got moving again.

Police did not say what may have caused the wreck or if anyone was hurt.

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