Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-280 Southbound at Alpine Rd (Menlo Park). Right lane affected. Expect delays.

A injury accident was reported on I-280 S near San Mateo on September 8, 2026 at 2:29 AM.

Road

I-280 S

Area

San Mateo

Address

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Started

Sep 7, 7:29 PM

Last Updated

1 month, 2 weeks ago

Sep 7, 7:45 PM

Resolved

Sep 8, 2:00 AM

Coordinates

37.4105, -122.1993

Update History

1 observations

CHP : Traffic Hazard on I-280 Southbound at Alpine Rd (Menlo Park). Right lane affected. Expect delays. Sep 7, 7:45 PM

Source: 511_sfbay · ID 511.org/1546202 First seen Sep 7, 2026 7:45 PM