Accident Moderate Severity Stale

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

A injury accident was reported on US-101 S near San Mateo on June 14, 2026 at 5:18 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Jun 14, 10:18 AM

Last Updated

4 hours, 9 minutes ago

Jun 14, 10:30 AM

Coordinates

37.5481, -122.2913

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound at E Hillsdale Blvd (San Mateo). Right shoulder affected. Expect delays. Jun 14, 10:30 AM

Source: 511_sfbay · ID 511.org/1508181 First seen Jun 14, 2026 10:30 AM