Accident Moderate Severity Stale

CHP : Traffic Hazard on US-101 Southbound north of Sister Cities Blvd (South San Francisco). Left lanes affected. Expect delays.

A injury accident was reported on US-101 S near San Mateo on June 3, 2026 at 3:51 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Jun 3, 8:51 AM

Last Updated

59 minutes ago

Jun 3, 9:00 AM

Coordinates

37.6696, -122.3931

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of Sister Cities Blvd (South San Francisco). Left lanes affected. Expect delays. Jun 3, 9:00 AM

Source: 511_sfbay · ID 511.org/1503073 First seen Jun 3, 2026 9:00 AM