Accident Moderate Severity Resolved

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

A injury accident was reported on US-101 S near San Mateo on September 21, 2026 at 10:07 PM.

Road

US-101 S

Area

San Mateo

Address

Loading…

Started

Sep 21, 3:07 PM

Last Updated

1 month ago

Sep 21, 3:15 PM

Resolved

Sep 21, 9:15 PM

Coordinates

37.5493, -122.2925

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of CA-92 E (San Mateo). Left lane affected. Expect delays. Sep 21, 3:15 PM

Source: 511_sfbay · ID 511.org/1552599 First seen Sep 21, 2026 3:15 PM