Marin County, CA (March 25, 2025) – Authorities responded to a possible vehicle-versus-bicycle collision along northbound State Route 1 (SR-1) in Marin County on Monday afternoon. The incident was first reported at approximately 2:12 p.m., prompting a dispatch of emergency medical personnel to the scene.
Details remain limited, but initial CHP communications noted a bicyclist was down on the right-hand side of the roadway. It was unclear whether a vehicle made contact with the cyclist, though the response was upgraded to a medical emergency to address possible injuries.
Paramedics arrived shortly after the report and evaluated the cyclist. The extent of injuries and the individual's current condition have not been made public. CHP Marin continues to investigate the situation and is working to determine whether a hit occurred or if another factor caused the cyclist to go down.
Traffic flow was affected briefly along the northbound lane of SR-1 while first responders worked along the shoulder. No vehicle information has been confirmed in connection with the incident.
We extend our best wishes to the cyclist and hope for a full and speedy recovery.
Bicycle Incidents on California Highways
State Route 1 is one of California’s most scenic but challenging roads for both drivers and cyclists. Narrow shoulders, blind turns, and mixed traffic use make SR-1 a high-risk corridor for bicycle-related incidents—especially in areas like Marin County, where recreational cycling is common.
Crashes involving bicycles are particularly concerning on highways due to the speed differential and limited buffer zones. Even a near-miss or minor swerve can lead to serious injuries for cyclists riding along the edge of the roadway.
Incidents like this highlight the ongoing need for enhanced safety measures on rural and coastal highways. These may include wider shoulders, increased driver awareness signage, and designated cycling pullouts where feasible.
If you or someone you love was injured in a crash involving a bicycle—whether or not a vehicle made contact—resources are available to help you navigate the aftermath. Local Accident Reports delivers timely updates and helps connect injured cyclists with tools and support to aid their recovery. Contact us today for help getting started.