Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on I-280 Southbound at Avalon Dr (South San Francisco). Right lane closed. Expect delays.

A injury accident was reported on I-280 S near San Mateo on April 5, 2026 at 6:35 PM.

Road

I-280 S

Area

San Mateo

Address

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Started

Apr 5, 11:35 AM

Last Updated

6 months, 3 weeks ago

Apr 5, 12:45 PM

Resolved

Apr 5, 7:00 PM

Coordinates

37.6372, -122.4401

Update History

4 observations

CHP : Traffic Collision with Injuries on I-280 Southbound at Avalon Dr (South San Francisco). Right lane closed. Expect delays. Apr 5, 12:15 PM

CHP : Traffic Collision with Injuries on I-280 Southbound at Avalon Dr (South San Francisco). Right lane closed. Expect delays. Apr 5, 11:45 AM

CHP : Traffic Collision with Injuries on I-280 Southbound at Avalon Dr (South San Francisco). Right shoulder affected. Expect delays. Apr 5, 11:30 AM

CHP : Traffic Collision with Injuries on I-280 Southbound at Avalon Dr (South San Francisco). Lane blocked. Expect delays. Apr 5, 11:15 AM

Source: 511_sfbay · ID 511.org/1477198 First seen Apr 5, 2026 11:15 AM