MARSHALL TOWNSHIp, Pa. (KDKA) – A car is heavily damaged after going over a guardrail at I-79 southbound.

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The single-vehicle crash is delaying traffic on I-79 near Route 910 in Marshall Township and causing rush hour back-ups.

PennDOT says there is a lane restriction in that area. The car was lying off the side of the road after appearing to go over the guard rail.

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There is no word on any injuries or what caused the crash.

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Stay with for the latest on this developing story.