Accident Moderate Severity Resolved

CHP : Traffic Collision on I-280 Southbound south of Westborough Blvd (South San Francisco). Left lane blocked. Expect delays.

A injury accident was reported on I-280 S near San Mateo on May 11, 2026 at 3:52 PM.

Road

I-280 S

Area

San Mateo

Address

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Started

May 11, 8:52 AM

Last Updated

5 months, 2 weeks ago

May 11, 9:00 AM

Resolved

May 11, 3:00 PM

Coordinates

37.6498, -122.4524

Update History

1 observations

CHP : Traffic Collision on I-280 Southbound south of Westborough Blvd (South San Francisco). Left lane blocked. Expect delays. May 11, 9:00 AM

Source: 511_sfbay · ID 511.org/1492906 First seen May 11, 2026 9:00 AM