Accident Moderate Severity Stale

CHP : Traffic Hazard on I-280 Southbound south of Alpine Rd (Menlo Park). Lane affected. Expect delays.

A injury accident was reported on I-280 S near San Mateo on August 16, 2026 at 12:49 AM.

Road

I-280 S

Area

San Mateo

Address

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Started

Aug 15, 5:49 PM

Last Updated

32 minutes ago

Aug 15, 6:15 PM

Coordinates

37.4067, -122.1896

Update History

1 observations

CHP : Traffic Hazard on I-280 Southbound south of Alpine Rd (Menlo Park). Lane affected. Expect delays. Aug 15, 6:00 PM

Source: 511_sfbay · ID 511.org/1536182 First seen Aug 15, 2026 6:00 PM