Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-280 Southbound north of I-280 S-CA-92 W Ramp (San Mateo). Center lanes affected. Expect delays.

A injury accident was reported on I-280 S near San Mateo on July 28, 2026 at 11:46 PM.

Road

I-280 S

Area

San Mateo

Address

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Started

Jul 28, 4:46 PM

Last Updated

12 hours, 36 minutes ago

Jul 28, 5:00 PM

Resolved

Jul 28, 11:00 PM

Coordinates

37.5280, -122.3597

Update History

1 observations

CHP : Traffic Hazard on I-280 Southbound north of I-280 S-CA-92 W Ramp (San Mateo). Center lanes affected. Expect delays. Jul 28, 5:00 PM

Source: 511_sfbay · ID 511.org/1527543 First seen Jul 28, 2026 5:00 PM