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.

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

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

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There was a lane restriction in this area.