California Highway Patrol responded to a single-vehicle crash near Camp Roberts Wednesday night.
Officials say a car was driving southbound on Highway 101 when it crashed in a construction zone near San Miguel.
CHP has to close down the southbound lanes in order to clear the vehicle from the scene.
Officials say traffic was backed up for about three miles as the roadway was shut down for approximately one hour.
According to CHP, two people were involved and no injuries were reported.