Crews have cleared the scene and traffic is flowing again shortly after 7:30 p.m., according to radio transmissions.
The incident was caused by mulch on the highway, according to York County 911.
The eastbound lanes of Route 30 in Springettsbury Township are blocked after someone lost the load from a vehicle, according to York County 911.
Crews were sent to the area of North Sherman Street about 6:40 p.m. Thursday to clean up bags of soil that were on the highway, radio transmissions indicate.
Check back later for additional details.