Truck overturns blocking lanes on Route 309 in Bucks Co.

WEST ROCK HILL TWP., Pa. (WPVI) -- A tractor-trailer overturned on Route 309 in West Rockhill Township, Pennsylvania.

The accident happened around 6:30 a.m. Thursday in the southbound lanes near Lawn Avenue.

It was the tandem trailer, the rear section trailer that ended up on its side.

The road had to be closed while crews cleaned up a fluid leak, and up-righted the truck.

No word on what cause the crash.