Accident Moderate Severity Resolved

CHP : Residual delays on I-280 Southbound at Avalon Dr (South San Francisco). Right shoulder blocked. Expect delays.

A injury accident was reported on I-280 S near San Mateo on April 11, 2026 at 4:16 PM.

Road

I-280 S

Area

San Mateo

Address

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Started

Apr 11, 9:16 AM

Last Updated

6 months, 2 weeks ago

Apr 11, 9:30 AM

Resolved

Apr 11, 3:30 PM

Coordinates

37.6372, -122.4401

Update History

1 observations

CHP : Residual delays on I-280 Southbound at Avalon Dr (South San Francisco). Right shoulder blocked. Expect delays. Apr 11, 9:30 AM

Source: 511_sfbay · ID 511.org/1479749 First seen Apr 11, 2026 9:30 AM