Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Southbound north of CA-92 E (San Mateo). Right lane affected. Expect delays.

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

Road

US-101 S

Area

San Mateo

Address

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Started

Oct 31, 11:12 AM

Last Updated

14 hours, 45 minutes ago

Oct 31, 11:15 AM

Resolved

Oct 31, 5:15 PM

Coordinates

37.5493, -122.2925

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of CA-92 E (San Mateo). Right lane affected. Expect delays. Oct 31, 11:15 AM

Source: 511_sfbay · ID 511.org/1571231 First seen Oct 31, 2026 11:15 AM