Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-280 Northbound south of Avalon Dr (South San Francisco). Lane affected. Expect delays.

A injury accident was reported on I-280 N near San Mateo on August 21, 2026 at 6:26 PM.

Road

I-280 N

Area

San Mateo

Address

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Started

Aug 21, 11:26 AM

Last Updated

2 months ago

Aug 21, 11:30 AM

Resolved

Aug 21, 5:30 PM

Coordinates

37.6369, -122.4397

Update History

1 observations

CHP : Traffic Hazard on I-280 Northbound south of Avalon Dr (South San Francisco). Lane affected. Expect delays. Aug 21, 11:30 AM

Source: 511_sfbay · ID 511.org/1538858 First seen Aug 21, 2026 11:30 AM