Accident Moderate Severity Resolved

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

A injury accident was reported on I-280 S near San Mateo on October 31, 2026 at 6:42 PM.

Road

I-280 S

Area

San Mateo

Address

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Started

Oct 31, 11:42 AM

Last Updated

23 hours, 28 minutes ago

Oct 31, 12:00 PM

Resolved

Oct 31, 6:00 PM

Coordinates

37.4175, -122.2133

Update History

1 observations

CHP : Traffic Collision on I-280 Southbound at Sand Hill Rd (Menlo Park). Right shoulder affected. Expect delays. Oct 31, 11:45 AM

Source: 511_sfbay · ID 511.org/1571236 First seen Oct 31, 2026 11:45 AM