Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-280 Southbound north of Sand Hill Rd (Menlo Park). Right and center lanes blocked. Expect delays.

A injury accident was reported on I-280 S near San Mateo on September 3, 2026 at 7:09 PM.

Road

I-280 S

Area

San Mateo

Address

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Started

Sep 3, 12:09 PM

Last Updated

1 month, 3 weeks ago

Sep 3, 12:15 PM

Resolved

Sep 3, 6:15 PM

Coordinates

37.4224, -122.2263

Update History

1 observations

CHP : Traffic Hazard on I-280 Southbound north of Sand Hill Rd (Menlo Park). Right and center lanes blocked. Expect delays. Sep 3, 12:15 PM

Source: 511_sfbay · ID 511.org/1544781 First seen Sep 3, 2026 12:15 PM