Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Southbound north of Grand Ave (South San Francisco). Left lane blocked. Expect delays.

A injury accident was reported on US-101 S near San Mateo on May 6, 2026 at 12:31 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

May 5, 5:31 PM

Last Updated

5 months, 3 weeks ago

May 5, 6:15 PM

Resolved

May 6, 12:30 AM

Coordinates

37.6567, -122.4062

Update History

2 observations

CHP : Traffic Hazard on US-101 Southbound north of Grand Ave (South San Francisco). Left lane blocked. Expect delays. May 5, 6:15 PM

CHP : Traffic Hazard on US-101 Southbound north of Grand Ave (South San Francisco). Left lane blocked. Expect delays. May 5, 5:45 PM

Source: 511_sfbay · ID 511.org/1490483 First seen May 5, 2026 5:45 PM