Napa County, CA (March 29, 2026) – A deadly three-vehicle crash occurred on Saturday morning, March 28, along Silverado Trail in Napa County, leaving three people dead and several others seriously hurt. The collision happened just before noon, north of Oak Knoll Avenue.
Emergency units responded to the scene and found multiple vehicles involved, including a Mitsubishi sedan, a BMW, and a Toyota sedan. Authorities said the Mitsubishi was traveling southbound when it sideswiped a northbound BMW before continuing forward and crashing head-on into a Toyota behind it.
The driver of the Mitsubishi, identified as William Dene Brumley of Vallejo, was taken to a hospital and later transferred to another facility. Officials said he is expected to survive and was arrested on suspicion of driving under the influence of a drug.
One passenger in the Mitsubishi died at the scene, while another passenger later died at the hospital. The driver of the Toyota and three passengers were hospitalized with major injuries, and one rear-seat passenger later died. The driver and passenger of the BMW reported pain-related injuries.
The identities of the victims have not been released at this time. The roadway remained closed for several hours as crews worked at the scene.
Authorities continue to investigate the cause of the crash, and more details will be released as soon as they become available.
Our hearts go out to the families of those who lost their lives.
What Factors Are Often Reviewed After Multi-Vehicle DUI Crashes
When a crash involves multiple vehicles and suspected impairment, several details are often examined to understand how it unfolded. Investigators typically review the sequence of impacts, including whether one collision led to another. This can help explain how the damage spread across multiple vehicles.
Toxicology results may later provide more information about whether substances affected a driver’s actions. Roadway layout, speed, and vehicle positions are also considered when reconstructing the crash.
In multi-vehicle incidents, injury outcomes can vary widely depending on seating position, restraint use, and impact angle. Medical updates may take time, especially when several people are hospitalized with serious injuries.
