Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-280 Northbound south of Westborough Blvd (South San Francisco). Lanes affected. Expect delays.

A injury accident was reported on I-280 N near San Mateo on June 9, 2026 at 12:15 AM.

Road

I-280 N

Area

San Mateo

Address

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Started

Jun 8, 5:15 PM

Last Updated

1 day, 8 hours ago

Jun 8, 6:00 PM

Resolved

Jun 9, 12:15 AM

Coordinates

37.6453, -122.4491

Update History

2 observations

CHP : Traffic Hazard on I-280 Northbound south of Westborough Blvd (South San Francisco). Lanes affected. Expect delays. Jun 8, 6:00 PM

CHP : Traffic Hazard on I-280 Northbound south of Westborough Blvd (South San Francisco). Lanes affected. Expect delays. Jun 8, 5:30 PM

Source: 511_sfbay · ID 511.org/1505485 First seen Jun 8, 2026 5:30 PM