On August 6 at approximately 10:40 pm, Contra Costa CHP was advised of a solo vehicle collision on HWY-4 eastbound, near Sand Creek Rd. Upon emergency personnel and CHP arrival, both occupants were transported to a local hospital via air ambulance.
CHP reported Sunday that the passenger in the vehicle (26 yo male, Antioch) later succumbed to his injuries. The Contra Costa County Sheriff’s Coroners Office will be handling the release of identity of the deceased passenger.
In the initial investigation, it appears the male driver of a green Dodge Challenger was traveling on HWY-4 eastbound, near Sand Creek Rd. when he allowed the Dodge to travel off the road. The Dodge subsequently collided with a guardrail and a freeway sign post. Both the driver (27,M,Antioch) and the passenger (26,M,Antioch) were transported to local hospitals. The passenger later succumbed to his injuries. An updated injury status for the driver is unknown at this time.
Alcohol or drug use is unknown in this collision, but this incident is still under investigation . If anyone witnessed this collision or the events leading up to it, please contact Contra Costa CHP in Martinez at (925) 646-4980