Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-280 Southbound north of Alpine Rd (Menlo Park). 3rd lane from the left blocked. Expect delays.

A injury accident was reported on I-280 S near San Mateo on October 20, 2026 at 2:58 PM.

Road

I-280 S

Area

San Mateo

Address

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Started

Oct 20, 7:58 AM

Last Updated

1 week ago

Oct 20, 8:15 AM

Resolved

Oct 20, 2:15 PM

Coordinates

37.4105, -122.1993

Update History

1 observations

CHP : Traffic Hazard on I-280 Southbound north of Alpine Rd (Menlo Park). 3rd lane from the left blocked. Expect delays. Oct 20, 8:00 AM

Source: 511_sfbay · ID 511.org/1566178 First seen Oct 20, 2026 8:00 AM