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PENNSBURY TOWNSHIP, Pa. (CBS) — An accident involving an overturned tractor-trailer has shut down a portion of Baltimore Pike in Chester County on Wednesday afternoon.

Authorities say a crash involving a tractor-trailer and another vehicle happened on Baltimore Pike near Ponds Edge Drive in Pennsbury Township around 1:30 p.m.

Both drivers have been taken to the hospital. There is no word on their injuries.

Baltimore Pike is closed in the area.

Route 1 will be closed in both directions between Brintons Bridge and Hickory Hill Roads for about four hours due to the accident.