The CHP responded to a fatal accident in Butte County Wednesday morning.
A passerby reported the collision around 7:30 a.m. Wednesday on Swedes Flat Road near Stoney Oaks Boulevard east of Oroville.
According to the CHP, the vehicle left the road, crashed down an embankment and the driver was thrown from the pickup.
The victim is a white man in his 30's. Investigators said he was driving a Ford F-250 east on Swedes Flat Road between midnight and 3 a.m. Wednesday.
His truck flipped and went down embankment. Witnesses said the driver had been at Gold Country Casino last night.
The CHP is investigating if the driver may have been under the influence. The name of the victim was not immediately released.