Accident Moderate Severity Resolved

CHP : Traffic Collision on I-280 Southbound at Westborough Blvd (South San Francisco). Right shoulder affected. Expect delays.

A injury accident was reported on I-280 S near San Mateo on July 25, 2026 at 11:37 PM.

Road

I-280 S

Area

San Mateo

Address

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Started

Jul 25, 4:37 PM

Last Updated

1 day, 22 hours ago

Jul 25, 5:00 PM

Resolved

Jul 25, 11:00 PM

Coordinates

37.6498, -122.4524

Update History

1 observations

CHP : Traffic Collision on I-280 Southbound at Westborough Blvd (South San Francisco). Right shoulder affected. Expect delays. Jul 25, 4:45 PM

Source: 511_sfbay · ID 511.org/1526287 First seen Jul 25, 2026 4:45 PM