Major Traffic Disruption on I-280 After Collision

Traffic Collision on Westborough Boulevard East Onramp to Interstate 280 in South San Francisco Causes Delays Today

📍 South San Francisco, CA

📅 Published: October 4, 2025 at 07:04 AM

🔄 Updated: October 4, 2025 at 07:36 AM

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

A traffic collision on the Westborough Boulevard East Onramp to Interstate 280 North in South San Francisco, CA, caused significant disruptions during the morning commute today. The incident involved a single Ford SUV, which suffered major front-end damage. Emergency units responded promptly at approximately 6:28 AM to manage the scene and control traffic flow.

As a result of the traffic incident, lane closures were implemented on the Westborough Onramp and the northbound lanes of Interstate 280. Motorists experienced delays and congestion as emergency responders worked to clear the area. A tow truck was dispatched to assist with the removal of the damaged vehicle, which remained on-site for an extended period.

By 7:02 AM, the Westborough Onramp was closed to facilitate emergency response efforts. The Department of Transportation Control Center was notified to monitor the situation and assist with traffic management. As the morning progressed, the scene was gradually cleared, but drivers were advised to expect residual delays as traffic resumed.

This traffic collision highlights the importance of cautious driving, especially during peak travel times. Authorities encourage all motorists to stay informed about traffic conditions and plan their routes accordingly to avoid congestion.

Were you or someone you know involved in this accident?

If you would like the full incident log, we can send it to you directly.

Request Full Incident Log

Disclaimer

The content on this website is auto-generated and based on publicly available information. While we strive to provide accurate and timely updates, we cannot guarantee the accuracy, completeness, or reliability of the information presented. This content is for informational purposes only and should not be used as the basis for decision-making. We encourage you to independently verify any facts or details. For the most accurate and up-to-date information, please contact the California Highway Patrol (CHP) directly. The website and its owners are not responsible for any errors, omissions, or actions taken based on the information provided.