The California Highway Patrol is investigating a two-car collision on Highway 101 near Buellton which left one person dead.
The two vehicles were traveling southbound on Highway 101 when for unknown reasons they collided around 5 a.m. Saturday near the Avenue of the Flags exit, according to CHP.
The car, a KIA, rolled onto its side in the crash with a truck, blocking the off-ramp. CHP says the driver of the truck was transported to the hospital but later died from injuries sustained in the crash.
The driver of the KIA was not injured. The exit was closed until 9 a.m. while CHP was investigating.
The names of those involved in the crash have not yet been released.