Discovery Bay, CA (August 16, 2025) — A deadly crash involving a pickup truck and a sedan shut down both directions of State Route 4 Thursday morning near Discovery Bay, leaving one person dead and another seriously injured.

According to reports, the accident occurred around 10:20 a.m. on August 14 just west of the Old River Bridge. A silver Chevrolet Silverado pickup truck and a white Toyota Camry collided, sending the truck into a ditch and the Camry into the eastbound lane, blocking traffic.

Emergency crews responded and confirmed one fatality at the scene. Another individual sustained major head and abdominal injuries and was airlifted to John Muir Medical Center in Walnut Creek.

All lanes of the highway were closed for several hours as authorities investigated and cleaned up the scene. A SigAlert was issued, and one-way traffic control remained in place until the roadway reopened later that afternoon.

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PLEASE TAKE NOTICE

The information in this article is based on initial reports from local authorities and may be subject to updates as investigations continue.

• The identities of those involved in the incident have not been released pending official confirmation and notification of next of kin.
• Further details about the accident, including toxicology results and potential charges, will be shared as they become available.
• Road closures and traffic updates related to the accident scene can be found by checking with local authorities or traffic monitoring services.

The content of this news story is for informational purposes only and should not be considered legal or medical advice. All information is based on public reports at the time of publication, and details may change as investigations progress. Readers are encouraged to seek legal counsel if they or someone they know have been involved in a similar incident. The publisher assumes no liability for actions taken or not taken based on the information provided in this article. Learn more with our disclaimer.