Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-280 Southbound south of Washington St (Daly City). Right shoulder affected. Expect delays.

A injury accident was reported on I-280 S near San Mateo on May 23, 2026 at 1:57 PM.

Road

I-280 S

Area

San Mateo

Address

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Started

May 23, 6:57 AM

Last Updated

18 hours, 2 minutes ago

May 23, 7:00 AM

Resolved

May 23, 1:00 PM

Coordinates

37.6909, -122.4706

Update History

2 observations

CHP : Traffic Hazard on I-280 Southbound south of Washington St (Daly City). Right shoulder affected. Expect delays. May 23, 7:00 AM

CHP : Traffic Hazard on I-280 Southbound south of Washington St (Daly City). Lane affected. Expect delays. May 23, 6:30 AM

Source: 511_sfbay · ID 511.org/1498554 First seen May 23, 2026 6:30 AM