Accident Moderate Severity Stale

CHP : Traffic Hazard on US-101 Southbound north of E Hillsdale Blvd (San Mateo). Right lanes affected. Expect delays.

A injury accident was reported on US-101 S near San Mateo on August 1, 2026 at 8:06 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Aug 1, 1:06 PM

Last Updated

51 minutes ago

Aug 1, 1:15 PM

Coordinates

37.5481, -122.2913

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of E Hillsdale Blvd (San Mateo). Right lanes affected. Expect delays. Aug 1, 1:15 PM

Source: 511_sfbay · ID 511.org/1529574 First seen Aug 1, 2026 1:15 PM