Accident Moderate Severity Resolved

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 May 22, 2026 at 1:28 AM.

Road

I-280 N

Area

San Mateo

Address

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Started

May 21, 6:28 PM

Last Updated

5 months ago

May 21, 6:45 PM

Resolved

May 22, 12:45 AM

Coordinates

37.4076, -122.1904

Update History

2 observations

CHP : Traffic Collision on I-280 Northbound south of Alpine Rd (Menlo Park). Lane affected. Expect delays. May 21, 6:30 PM

CHP : Traffic Collision on I-280 Northbound south of Alpine Rd (Menlo Park). 2nd lane from the left affected. Expect delays. May 21, 6:15 PM

Source: 511_sfbay · ID 511.org/1497956 First seen May 21, 2026 6:15 PM