Accident High Severity Stale

CHP : Severe traffic alert and Disabled tractor trailer on US-101 Northbound north of Ralston Ave (Belmont). Left and center lanes blocked. Expect delays.

A high-severity accident was reported on US-101 N near San Mateo on August 27, 2026 at 10:53 PM.

Road

US-101 N

Area

San Mateo

Address

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Started

Aug 27, 3:53 PM

Last Updated

4 hours, 51 minutes ago

Aug 27, 4:45 PM

Coordinates

37.5272, -122.2709

Update History

1 observations

CHP : Severe traffic alert and Disabled tractor trailer on US-101 Northbound north of Ralston Ave (Belmont). Left and center lanes blocked. Expect delays. Aug 27, 4:30 PM

Source: 511_sfbay · ID 511.org/1541776 First seen Aug 27, 2026 4:30 PM

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