Motorcycle Collision Causes Traffic Delays in San Mateo

Traffic Collision on Interstate 280 South in San Mateo Causes Delays Today

📍 San Mateo, CA

📅 Published: October 4, 2025 at 01:33 PM

Map showing the location of the accident in San Mateo, CA
San Mateo, October 4, 2025 -

A traffic collision involving one motorcycle occurred today at the intersection of Interstate 280 South and Bunker Hill Drive On-Ramp in San Mateo, CA. The incident was reported at approximately 12:36 PM, prompting a quick response from California Highway Patrol units to manage the scene and control traffic.

The motorcycle remained at the scene, leading to lane closures on the affected roadway. As a result, drivers experienced delays and potential backups during the busy afternoon traffic hours. California Highway Patrol units worked diligently to clear the scene and restore normal traffic flow.

Witnesses indicated that the motorcycle hit a bump, which triggered the traffic notification system. The motorcycle operator was able to communicate with authorities, confirming their presence at the scene.

Motorists traveling through this area should remain cautious and expect possible congestion as the situation is resolved. The California Highway Patrol is actively managing traffic to minimize disruptions and ensure safety for all drivers.

For those commuting in San Mateo, CA, it is advisable to seek alternate routes if possible until the traffic incident is fully cleared and normal conditions resume.

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