Accident Moderate Severity Stale

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

A injury accident was reported on I-280 N near San Mateo on August 21, 2026 at 1:59 AM.

Road

I-280 N

Area

San Mateo

Address

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Started

Aug 20, 6:59 PM

Last Updated

32 minutes ago

Aug 20, 8:00 PM

Coordinates

37.4076, -122.1904

Update History

1 observations

CHP : Traffic Collision on I-280 Northbound south of Alpine Rd (Menlo Park). Lane affected. Expect delays. Aug 20, 7:15 PM

Source: 511_sfbay · ID 511.org/1538570 First seen Aug 20, 2026 7:15 PM