Accident Moderate Severity Stale

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

A injury accident was reported on I-280 N near San Mateo on October 31, 2026 at 7:49 PM.

Road

I-280 N

Area

San Mateo

Address

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Started

Oct 31, 12:49 PM

Last Updated

1 hour, 53 minutes ago

Oct 31, 1:15 PM

Coordinates

37.4214, -122.2244

Update History

2 observations

CHP : Traffic Hazard on I-280 Northbound west of Sand Hill Rd (Menlo Park). Right lane affected. Expect delays. Oct 31, 1:15 PM

CHP : Traffic Hazard on I-280 Northbound west of Sand Hill Rd (Menlo Park). Right lanes affected. Expect delays. Oct 31, 1:00 PM

Source: 511_sfbay · ID 511.org/1571258 First seen Oct 31, 2026 1:00 PM