Three-Vehicle Collision Disrupts Mill Valley Traffic

Traffic Collision on State Route 131 in Mill Valley Causes Lane Closures Today

📍 Mill Valley, CA

📅 Published: September 29, 2025 at 11:06 AM

Map showing the location of the accident in Mill Valley, CA
Mill Valley, September 29, 2025 -

A traffic collision involving three vehicles occurred today at the intersection of State Route 131 (SR-131) and S Knoll Road in Mill Valley, CA. The incident was reported around 9:58 AM during the busy morning commute. One of the vehicles involved was a red Nissan Rogue, which was confirmed to be driveable, while the other two vehicles remain unidentified.

The collision resulted in lane closures, specifically affecting the left turn lane heading eastbound towards Knoll Road. To manage the situation, traffic was rerouted, with vehicles being moved to S Knoll Road to minimize congestion. Emergency response units arrived quickly at the scene to oversee traffic flow and secure the area, ensuring the safety of all motorists.

As a result of the traffic incident, delays were reported in the vicinity, particularly for drivers navigating through the intersection. Authorities worked diligently to clear the scene and restore normal traffic conditions. By approximately 10:44 AM, the situation was resolved, allowing for the reopening of the affected lanes.

Motorists are advised to remain cautious while traveling through this area, as residual traffic effects may persist. For the latest updates on road conditions, drivers are encouraged to monitor local traffic reports.

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