Accident Moderate Severity Stale

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

A injury accident was reported on US-101 S near San Mateo on July 28, 2026 at 3:20 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Jul 28, 8:20 AM

Last Updated

47 minutes ago

Jul 28, 8:30 AM

Coordinates

37.5481, -122.2913

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of E Hillsdale Blvd (San Mateo). Right lane affected. Expect delays. Jul 28, 8:30 AM

Source: 511_sfbay · ID 511.org/1527302 First seen Jul 28, 2026 8:30 AM