Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Southbound north of Brittan Ave (San Carlos). Left lane affected. Expect delays.

A injury accident was reported on US-101 S near San Mateo on July 22, 2026 at 3:40 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

Jul 21, 8:40 PM

Last Updated

6 days, 6 hours ago

Jul 21, 8:45 PM

Resolved

Jul 22, 2:45 AM

Coordinates

37.5034, -122.2444

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of Brittan Ave (San Carlos). Left lane affected. Expect delays. Jul 21, 8:45 PM

Source: 511_sfbay · ID 511.org/1524351 First seen Jul 21, 2026 8:45 PM