Major Traffic Delays on US Highway 101

Traffic Collision on US Highway 101 in San Mateo Causes Delays Today

📍 San Mateo, CA

📅 Published: April 26, 2025 at 01:08 PM

Map showing the location of the accident in San Mateo, CA
San Mateo, April 26, 2025 -

A traffic collision on northbound US Highway 101 near Peninsula Avenue in San Mateo, CA, caused significant delays during the afternoon commute today. The incident, which involved two vehicles—a grey Chevrolet Silverado and a Honda sedan—was reported at approximately 12:05 PM.

Emergency services responded promptly, dispatching multiple units to manage the scene and control traffic flow. Due to the collision, one lane was blocked, leading to noticeable congestion and delays for motorists in the area. A tow truck was called to the scene to remove the Honda sedan, while the status of the Chevrolet Silverado was not specified.

At 12:21 PM, the California Department of Transportation issued a SigAlert, informing drivers of the lane closure and advising that delays were expected. Traffic conditions remained impacted until the scene was cleared around 12:46 PM, allowing vehicles to resume normal flow.

Motorists are advised to stay alert and exercise caution when traveling through the area, especially during peak travel times when incidents can lead to increased congestion. This traffic incident highlights the importance of safe driving practices and the potential impact of collisions on daily commutes.

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