Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Southbound north of Lagoon Way (South San Francisco). 2nd lane from the left affected. Expect delays.

A injury accident was reported on US-101 S near San Mateo on September 11, 2026 at 5:18 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Sep 11, 10:18 AM

Last Updated

1 month, 2 weeks ago

Sep 11, 10:30 AM

Resolved

Sep 11, 4:30 PM

Coordinates

37.6934, -122.3917

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of Lagoon Way (South San Francisco). 2nd lane from the left affected. Expect delays. Sep 11, 10:30 AM

Source: 511_sfbay · ID 511.org/1547988 First seen Sep 11, 2026 10:30 AM