Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on I-280 Southbound at Sand Hill Rd (Menlo Park). Lane affected. Expect delays.

A injury accident was reported on I-280 S near San Mateo on October 21, 2026 at 6:25 AM.

Road

I-280 S

Area

San Mateo

Address

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Started

Oct 20, 11:25 PM

Last Updated

6 days, 16 hours ago

Oct 20, 11:45 PM

Resolved

Oct 21, 5:45 AM

Coordinates

37.4224, -122.2263

Update History

1 observations

CHP : Traffic Collision with Injuries on I-280 Southbound at Sand Hill Rd (Menlo Park). Lane affected. Expect delays. Oct 20, 11:45 PM

Source: 511_sfbay · ID 511.org/1566561 First seen Oct 20, 2026 11:45 PM