SUMMIT TOWNSHIP, Pa. (KDKA) – One person was flown to a trauma center after a tractor trailer overturned on Route 422.

Butler County 911 says there is a tractor trailer overturned on Route 422 eastbound between Jefferson Street and the Mitchell Hill exit.

Photos show the trailer completely overturned with items spilling off the back.

The call for this accident came in shortly after 3 p.m.

There was a lane restriction in this area.