Accident Moderate Severity Resolved

CHP : Traffic Collision on US-101 Southbound north of E Poplar Ave (San Mateo). Lane blocked. Expect delays.

A injury accident was reported on US-101 S near San Mateo on September 13, 2026 at 12:27 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

Sep 12, 5:27 PM

Last Updated

1 month, 2 weeks ago

Sep 12, 6:00 PM

Resolved

Sep 13, 12:00 AM

Coordinates

37.5812, -122.3254

Update History

1 observations

CHP : Traffic Collision on US-101 Southbound north of E Poplar Ave (San Mateo). Lane blocked. Expect delays. Sep 12, 5:45 PM

Source: 511_sfbay · ID 511.org/1548600 First seen Sep 12, 2026 5:45 PM