Yesterday, a single-vehicle accident on Old Sonoma Highway in Napa resulted in three individuals being injured. The incident, which occurred near the 4300 block, involved a car that veered off the roadway and into a ditch, prompting responses from CAL FIRE/Napa County Fire, American Medical Response, and the California Highway Patrol, CAL FIRE LNU reported.
Sunday at 6 a.m., CAL FIRE/Napa County Fire, American Medical Response and the California Highway Patrol responded to a single-vehicle accident near the 4300 block of Old Sonoma Highway in Napa after a car left the roadway and went into a ditch.
— CAL FIRE LNU (@CALFIRELNU) November 23, 2025
According to officials on scene,… pic.twitter.com/Mm5zBypXj2
The crash took place at approximately 6 AM, and the three injured parties were expediently transported to a local hospital via ground ambulance. In response to the severity of the situation, a Level 1 Mass Casualty Incident was declared, a move designed to ensure that adequate medical resources were deployed and that coordination was maintained during the emergency.
The California Highway Patrol is conducting investigations into the circumstances surrounding the accident. Details concerning the status of the injured individuals have not been disclosed at this time.
