Traffic was moving slowly on Highway 101 near Santa Maria due to a crash Thursday afternoon.
It happened around 4:20 p.m. in the southbound lanes just north of the Santa Maria Speedway.
According to the California Highway Patrol, a vehicle rolled, landing on its roof in or near the center divider.
Heavy traffic was reported in the area as of 5 p.m.
No word on the cause of the crash.
CHP is reporting no injuries.