Nortbound lanes of Route 33 were closed Thursday afternoon because of an accident in Plainfield Township, Northampton County.
The accident, which involved a dump truck and another vehicle, occured at 2:45 p.m. Thursday at mile market 17.
There was one known injury.
Pennsylvania State Police were on the scene.
By 4 p.m. Thursday, the accident had been cleared and the northbound lanes reopened.