BUCKS COUNTY, Pa. (CBS) — Officials say that I-476 will be closed southbound between the Quakertown Interchange and the Lansdale Interchange due to a tractor-trailer accident.

A commercial flatbed tractor trailer hauling roofing materials overturned on I-476 at milepost 35.

Officials say motorists travelling from the Lehigh Valley area should exit at the Lehigh Valley Interchange to avoid the delays approaching the Quakertown Interchange.

No life-threatening injuries have been reported.

Suggested Detour: Take State Route 663 North to U.S. Route 309 South to U.S. Route 202 South to State Route 63 West. Reenter the PA Turnpike at the Lansdale Interchange, Exit #31.

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