Accident Moderate Severity Resolved

CHP : Traffic Collision and Traffic Hazard on I-280 Southbound west of Sand Hill Rd (Menlo Park). 3rd lane from the left blocked. Expect delays.

A injury accident was reported on I-280 S near San Mateo on October 31, 2026 at 10:19 PM.

Road

I-280 S

Area

San Mateo

Address

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Started

Oct 31, 3:19 PM

Last Updated

10 hours ago

Oct 31, 4:00 PM

Resolved

Oct 31, 10:00 PM

Coordinates

37.4224, -122.2263

Update History

1 observations

CHP : Traffic Collision and Traffic Hazard on I-280 Southbound west of Sand Hill Rd (Menlo Park). 3rd lane from the left blocked. Expect delays. Oct 31, 3:30 PM

Source: 511_sfbay · ID 511.org/1571304 First seen Oct 31, 2026 3:30 PM

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