Accident Moderate Severity Resolved

CHP : Traffic Collision and Debris on I-280 Northbound north of Westborough Blvd (South San Francisco). Left lane blocked. Expect delays.

A injury accident was reported on I-280 N near San Mateo on July 15, 2026 at 11:49 PM.

Road

I-280 N

Area

San Mateo

Address

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Started

Jul 15, 4:49 PM

Last Updated

3 months, 1 week ago

Jul 15, 6:15 PM

Resolved

Jul 16, 12:30 AM

Coordinates

37.6510, -122.4528

Update History

3 observations

CHP : Traffic Collision and Debris on I-280 Northbound north of Westborough Blvd (South San Francisco). Left lane blocked. Expect delays. Jul 15, 6:00 PM

CHP : Traffic Collision and Debris on I-280 Northbound north of Westborough Blvd (South San Francisco). Left lane blocked. Expect delays. Jul 15, 5:30 PM

CHP : Traffic Collision and Debris on I-280 Northbound north of Westborough Blvd (South San Francisco). Lanes affected. Expect delays. Jul 15, 5:00 PM

Source: 511_sfbay · ID 511.org/1521582 First seen Jul 15, 2026 5:00 PM

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