Accident Low Severity Active

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

A minor accident was reported on I-280 N near San Mateo on August 29, 2026 at 10:19 AM.

Road

I-280 N

Area

San Mateo

Address

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Started

Aug 29, 3:19 AM

Last Updated

8 minutes ago

Aug 29, 3:30 AM

Coordinates

37.6459, -122.4496

Update History

3 observations

CHP : Traffic Collision on I-280 Northbound south of Westborough Blvd (South San Francisco). Center Divider affected. Expect delays. Aug 29, 3:30 AM

CHP : Traffic Collision on I-280 Northbound south of Westborough Blvd (South San Francisco). Center Divider affected. Expect delays. Aug 29, 3:00 AM

CHP : Traffic Collision on I-280 Northbound south of Westborough Blvd (South San Francisco). Center Divider affected. Expect delays. Aug 29, 2:45 AM

Source: 511_sfbay · ID 511.org/1542438 First seen Aug 29, 2026 2:45 AM