Accident Moderate Severity Resolved

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

A injury accident was reported on US-101 S near San Mateo on May 10, 2026 at 1:26 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

May 9, 6:26 PM

Last Updated

5 months, 2 weeks ago

May 9, 6:45 PM

Resolved

May 10, 1:00 AM

Coordinates

37.5812, -122.3254

Update History

2 observations

CHP : Traffic Collision on US-101 Southbound north of E Poplar Ave (San Mateo). Right shoulder affected. Expect delays. May 9, 6:30 PM

CHP : Traffic Collision on US-101 Southbound north of E Poplar Ave (San Mateo). Right shoulder affected. Expect delays. May 9, 6:15 PM

Source: 511_sfbay · ID 511.org/1492487 First seen May 9, 2026 6:15 PM