Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-280 Southbound north of Sand Hill Rd (Menlo Park). Right lane affected. Expect delays.

A injury accident was reported on I-280 S near San Mateo on July 12, 2026 at 2:34 AM.

Road

I-280 S

Area

San Mateo

Address

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Started

Jul 11, 7:34 PM

Last Updated

3 months, 2 weeks ago

Jul 11, 7:45 PM

Resolved

Jul 12, 1:45 AM

Coordinates

37.4224, -122.2263

Update History

1 observations

CHP : Traffic Hazard on I-280 Southbound north of Sand Hill Rd (Menlo Park). Right lane affected. Expect delays. Jul 11, 7:45 PM

Source: 511_sfbay · ID 511.org/1519893 First seen Jul 11, 2026 7:45 PM