Pennsylvania State Police are investigating an accident on Interstate 81 southbound at mile marker 14 in Chambersburg.
According to Franklin County dispatch, the tractor trailer spilled a load of lumber across the soundbound lanes of the roadway Thursday at approximately 1 a.m.
No injuries were reported.
Traffic is moving along I-81 northbound.
As of 7 a.m., the lumber was cleared from the roadway. As of 9:15 a.m., southbound traffic is being re-routed on Route 11, getting off at exits 16 and 10, according to dispatch.
According to the Franklin Fire Company, the tractor trailer was hauling approximately 26,000 lbs of lumber.
The cause of the accident is under investigation.