QUAKERTOWN, Pa. (CBS) — Police say four people were injured after a multi-vehicle crash involving a tractor-trailer in Quakertown, Tuesday morning.

Police say seven vehicles crashed on southbound Route 309, near Tollgate Road, around 6:30 a.m.

Four people were taken to the hospital, three from one vehicle and one driver from another vehicle.

According to Richland Township Police, a woman tried to flee the scene and was hit by another vehicle in the northbound lanes.

The scene has since been cleared and all lanes have reopened.