Accident Moderate Severity Stale

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

A injury accident was reported on I-280 S near San Mateo on April 23, 2026 at 3:32 AM.

Road

I-280 S

Area

San Mateo

Address

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Started

Apr 22, 8:32 PM

Last Updated

1 hour, 46 minutes ago

Apr 22, 9:00 PM

Coordinates

37.6437, -122.4472

Update History

1 observations

CHP : Traffic Hazard on I-280 Southbound south of Westborough Blvd (South San Francisco). Lane affected. Expect delays. Apr 22, 8:45 PM

Source: 511_sfbay · ID 511.org/1484934 First seen Apr 22, 2026 8:45 PM