CHP is responding to a crash involving two vehicles on Highway 46 in Paso Robles.
First responders say it happened around 4:30 p.m. and is slowing traffic in the east bound lanes.
According to CHP, a white pick-up truck and white sedan are involved.
It is unclear if there are any reported injuries.
Crews are advising people to slow down in the area as officers work to clear the scene.