Police have closed southbound ramps to Quakertown for cleanup of an earlier accident.

Police said a tractor trailer overturned around 8:45 a.m. Tuesday on the southbound on-ramp at the Quakertown interchange on the NE Extension of the Pa. Turnpike.

Police and tow companies are working to remove the truck.

While officials work on the accident cleanup, the southbound on and off ramps at the Quakertown exit are closed.