Morning Crash Blocks Lanes on I-280 South

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

📍 South San Francisco, CA

📅 Published: May 12, 2025 at 07:05 AM

Map showing the location of the accident in South San Francisco, CA
South San Francisco, May 12, 2025 -

A traffic collision on Interstate 280 South in South San Francisco, CA, has caused significant traffic disruptions during the morning commute today. The incident, involving two vehicles—a white Toyota Prius and another unidentified vehicle—occurred around 6:13 AM at the Westborough Boulevard off-ramp.

As a result of the collision, lanes 1 and 4 were blocked, leading to traffic delays and backups in the area. Emergency response teams from the California Highway Patrol (CHP) quickly arrived to manage traffic and maintain scene control. Tow services were called to remove the vehicles involved, with one vehicle positioned sideways, obstructing the roadway.

By 6:54 AM, lane 4 was cleared, but lane 1 remained blocked as crews continued to work on removing the vehicles. Motorists are advised to expect delays and consider alternative routes to avoid the affected area.

The CHP is actively monitoring the situation to ensure safe traffic flow and minimize congestion. Drivers are encouraged to stay informed about traffic conditions as the situation develops.

For those traveling through South San Francisco, it is recommended to allow extra time for travel and to remain cautious while navigating the area impacted by this traffic incident.

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