Accident Moderate Severity Stale

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 June 12, 2026 at 2:45 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

Jun 11, 7:45 PM

Last Updated

2 hours, 8 minutes ago

Jun 11, 8:00 PM

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. Jun 11, 8:00 PM

Source: 511_sfbay · ID 511.org/1507173 First seen Jun 11, 2026 8:00 PM