Accident High Severity Resolved

CHP : Traffic Hazard on I-280 Southbound exiting at Washington St (Daly City). Off Ramp affected. Expect delays.

A high-severity accident was reported on I-280 S near San Mateo on September 15, 2026 at 2:49 AM.

Road

I-280 S

Area

San Mateo

Address

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Started

Sep 14, 7:49 PM

Last Updated

1 month, 1 week ago

Sep 14, 8:00 PM

Resolved

Sep 15, 2:00 AM

Coordinates

37.6909, -122.4706

Update History

1 observations

CHP : Traffic Hazard on I-280 Southbound exiting at Washington St (Daly City). Off Ramp affected. Expect delays. Sep 14, 8:00 PM

Source: 511_sfbay · ID 511.org/1549376 First seen Sep 14, 2026 8:00 PM