Sonoma, CA (May 13, 2026) – One person died following a motorcycle crash involving two vehicles on Tuesday afternoon on State Route 12 near State Route 29 in Sonoma.
Emergency units responded shortly before 2 p.m. to the eastbound lanes of State Route 12 just east of State Route 29 after reports of a collision involving a motorcycle and two vehicles. Authorities later confirmed the incident was fatal. A coroner was requested to the scene as crews worked to investigate the collision and clear the roadway. Tow services were also called for the damaged motorcycle.
Authorities continue to investigate the cause of the crash, and more details will be released as soon as they become available.
We extend our sincere condolences to the family and loved ones of the deceased.
Why Motorcycle Crashes on State Highways Can Become Severe
Motorcycle crashes on state highways often result in serious injuries because riders have less physical protection than occupants inside passenger vehicles. Even moderate-speed impacts can throw a rider from the motorcycle and into surrounding traffic lanes.
Highway intersections and junctions can increase the risk of collisions due to merging traffic, lane changes, and varying vehicle speeds. When multiple vehicles are involved, roadway blockages and extended closures are common while emergency crews investigate and remove damaged vehicles.
Investigators usually review impact points, lane positions, and roadway conditions after fatal motorcycle crashes. Vehicle damage, skid marks, and witness statements may help determine how the collision occurred and whether visibility or traffic movement contributed to the incident.
