Accident Moderate Severity Resolved

CHP : Traffic Collision on I-280 Southbound north of I-280 S-CA-92 W Ramp (San Mateo). Right shoulder affected. Expect delays.

A injury accident was reported on I-280 S near San Mateo on September 18, 2026 at 6:02 AM.

Road

I-280 S

Area

San Mateo

Address

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Started

Sep 17, 11:02 PM

Last Updated

1 month, 1 week ago

Sep 17, 11:15 PM

Resolved

Sep 18, 5:30 AM

Coordinates

37.5280, -122.3597

Update History

1 observations

CHP : Traffic Collision on I-280 Southbound north of I-280 S-CA-92 W Ramp (San Mateo). Right shoulder affected. Expect delays. Sep 17, 11:15 PM

Source: 511_sfbay · ID 511.org/1551154 First seen Sep 17, 2026 11:15 PM