CHP San Luis Obispo has reported a crash that occurred at Via Concha Road and Willow Road, south of Arroyo Grande, on October 28.
The crash was reported at around 8:45 p.m. According to CHP, the crash involved a vehicle and a semi-truck.
Passengers in both vehicles sustained moderate injuries. CHP says alcohol and/or drugs may have been a factor, but this has not been confirmed.
Motorists are urged to avoid the area as emergency personnel assist those involved.