Major Six-Vehicle Collision Disrupts Highway 101 Traffic

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

📍 San Mateo, CA

📅 Published: June 25, 2025 at 08:34 AM

🔄 Updated: June 25, 2025 at 09:30 AM

Map showing the location of the accident in San Mateo, CA
San Mateo, June 25, 2025 -

A significant traffic collision involving six vehicles occurred today on US Highway 101 South at Poplar Avenue in San Mateo, CA. The incident took place during the morning commute around 7:50 AM and involved a Black Honda SUV, a Ford SUV, a White Chevrolet Equinox, a Black Jeep, a White Mercedes, and a Grey Toyota model.

The collision resulted in several vehicles being rendered undriveable, particularly the Chevrolet Equinox and Ford SUV, which sustained major damage. This led to lane closures and blockages in the right-hand lanes of the expressway, causing traffic delays and congestion for morning commuters.

Emergency response units were dispatched promptly to manage the scene and facilitate traffic control. By approximately 8:56 AM, all lanes were cleared, and the vehicles were moved to the right-hand side of the highway, allowing traffic to resume normal flow.

Motorists traveling through the area are advised to remain cautious as residual traffic impacts may still be felt. The California Highway Patrol worked efficiently to restore order and ensure the safety of all road users.

This traffic incident serves as a reminder for drivers to stay alert and drive safely, especially during peak travel times.

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