Accident Moderate Severity Resolved

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

A injury accident was reported on I-280 S near San Mateo on October 23, 2026 at 9:40 PM.

Road

I-280 S

Area

San Mateo

Address

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Started

Oct 23, 2:40 PM

Last Updated

3 days, 17 hours ago

Oct 23, 2:45 PM

Resolved

Oct 23, 8:45 PM

Coordinates

37.4224, -122.2263

Update History

1 observations

CHP : Traffic Hazard on I-280 Southbound north of Sand Hill Rd (Menlo Park). Lanes affected. Expect delays. Oct 23, 2:45 PM

Source: 511_sfbay · ID 511.org/1567697 First seen Oct 23, 2026 2:45 PM