The collision occurred at approximately 3:48 p.m. on December 10, 2025, on northbound Highway 121 near Haire Lane.

Napa, CA — One person sustained major injuries after a three-vehicle crash Monday afternoon on State Route 121, according to the California Highway Patrol.
The collision occurred at approximately 3:48 p.m. on December 10, 2025, on northbound Highway 121 near Haire Lane.
CHP reports indicate that a red motorcycle collided with an unknown second vehicle. A third vehicle was also involved in the collision.
First responders found one person with major injuries. The patient was conscious, breathing, and talking. Emergency crews transported the injured person to the Queen of the Valley Medical Center.
Northbound lanes were blocked while emergency personnel attended the scene.
There were no reported arrests related to the incident at the time of the report.
The cause of the crash is still under investigation, with authorities examining vehicle positions and road conditions.
Cal Fire, CHP, and other first responders quickly arrived on scene, providing medical care to the injured and clearing the roadway. The northbound lanes remained partially blocked during the emergency response.
The incident caused traffic delays along SR-121 as crews worked to manage the scene and assist the injured. Drivers were advised to seek alternate routes during the cleanup.
The crash remains under active investigation by the California Highway Patrol.
Crash Statistics for Napa County
Napa County traffic data from the California Office of Traffic Safety (OTS) shows that the region consistently reports a significant number of fatal and injury collisions on local roadways. In 2022, Napa County recorded 906 total fatal and injury victims, indicating the number of people killed or seriously hurt in crashes that year. Alcohol‑involved collisions accounted for 168 of those cases, while pedalcyclist and pedestrian injuries also contributed to the county’s roadway safety challenges.
If you or a loved one has been seriously injured in a multi-vehicle collision, or if a family member has been harmed due to another driver’s negligence, it’s important to seek legal guidance immediately. An experienced personal injury attorney can help protect your rights, pursue compensation for medical expenses, lost wages, and emotional trauma, and guide you through the complex legal process. Contact a trusted attorney as soon as possible to safeguard your future
