Driver hurt after tractor-trailer crashes on I-78 in Lehigh Co.

UPPER SAUCON, Pa. (WPVI) -- A tractor-trailer overturned on I-78 in Upper Saucon, Pennsylvania Friday morning.

The crash occurred around 5 a.m. on the ramp of Routes I-78 and 309.

The truck flipped over on its side, blocking one lane. That lane has since reopened.

The driver was treated for various injuries. The condition of that person is unclear.

No word on what caused the truck to overturn.