Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Southbound north of Ralston Ave (Belmont). Lane affected. Expect delays.

A injury accident was reported on US-101 S near San Mateo on May 23, 2026 at 1:25 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

May 22, 6:25 PM

Last Updated

5 months ago

May 22, 6:30 PM

Resolved

May 23, 12:45 AM

Coordinates

37.5293, -122.2737

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of Ralston Ave (Belmont). Lane affected. Expect delays. May 22, 6:30 PM

Source: 511_sfbay · ID 511.org/1498434 First seen May 22, 2026 6:30 PM