Traffic Collision Disrupts Highway 101 in San Mateo

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

📍 San Mateo, CA

📅 Published: May 31, 2025 at 10:05 PM

🔄 Updated: June 1, 2025 at 01:30 AM

Map showing the location of the accident in San Mateo, CA
San Mateo, May 31, 2025 -

A traffic collision on US Highway 101 South at the interchange with State Route 92 in San Mateo, CA, caused notable traffic disruptions today. The incident, involving two vehicles—a white sedan and a white mini van—occurred around 9:13 PM. Initial reports indicated that the collision blocked the transition ramp, leading to delays for drivers in the area.

Emergency response teams were dispatched to manage the scene effectively. A tow truck was called to remove the white sedan, which sustained damage to its front tire. The mini van remained drivable and was parked with its hazard lights activated. As responders worked to clear the scene, traffic was impacted, resulting in backups and congestion.

By approximately 10:15 PM, all lanes were reported to be open, allowing traffic flow to gradually return to normal. The Department of Transportation Control Center monitored the situation to ensure safe passage for motorists.

Motorists traveling through San Mateo, CA, during the evening hours were advised to remain cautious and expect potential delays as the aftermath of the traffic incident continued to clear. This collision serves as a reminder for drivers to stay alert and drive safely, particularly in high-traffic areas.

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