Leaves one driver dead, the other with major injuries
DISCOVERY BAY, CA – On Thursday, August 14, 2025, at approximately 10:19 a.m., officers assigned to the California Highway Patrol’s (CHP) Contra Costa Area office responded to a two-vehicle head-on crash which occurred on State Route 4 (SR-4) westbound, just east of Discovery Bay Blvd. in the township of Discovery Bay.
Our preliminary investigation indicates a Toyota Camry, driven by an adult male, was traveling eastbound on SR-4 when, for reasons still under investigation, it crossed over the double-yellow divider lines and crashed head-on into a GMC Sierra occupied by a male adult.
Tragically, the driver of the Toyota sustained fatal injuries and was pronounced deceased at the scene. The driver of the GMC sustained suspected major injuries and was airlifted to the hospital. An impaired driving investigation was also conducted, and DUI was ruled out as a factor in this crash…