Accident Moderate Severity Resolved

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

A injury accident was reported on I-280 S near San Mateo on July 16, 2026 at 2:02 AM.

Road

I-280 S

Area

San Mateo

Address

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Started

Jul 15, 7:02 PM

Last Updated

1 week, 4 days ago

Jul 15, 7:15 PM

Resolved

Jul 16, 1:15 AM

Coordinates

37.6437, -122.4472

Update History

1 observations

CHP : Traffic Hazard on I-280 Southbound south of Westborough Blvd (South San Francisco). Right lane blocked. Expect delays. Jul 15, 7:15 PM

Source: 511_sfbay · ID 511.org/1521651 First seen Jul 15, 2026 7:15 PM