Accident Moderate Severity Resolved

CHP : Traffic Collision on US-101 Southbound exiting at Ralston Ave (Belmont). 2nd lane from the left blocked. Expect delays.

A injury accident was reported on US-101 S near San Mateo on July 5, 2026 at 6:48 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Jul 5, 11:48 AM

Last Updated

3 months, 3 weeks ago

Jul 5, 12:30 PM

Resolved

Jul 5, 6:45 PM

Coordinates

37.5293, -122.2737

Update History

2 observations

CHP : Traffic Collision on US-101 Southbound exiting at Ralston Ave (Belmont). 2nd lane from the left blocked. Expect delays. Jul 5, 12:00 PM

CHP : Traffic Collision on US-101 Southbound at Ralston Ave (Belmont). Lanes blocked. Expect delays. Jul 5, 11:45 AM

Source: 511_sfbay · ID 511.org/1517011 First seen Jul 5, 2026 11:45 AM