Accident Moderate Severity Resolved

CHP : Traffic Collision on US-101 Southbound north of E Poplar Ave (San Mateo). 3rd lane from the left blocked. Expect delays.

A injury accident was reported on US-101 S near San Mateo on July 16, 2026 at 2:22 AM.

Road

US-101 S

Area

San Mateo

Address

Loading…

Started

Jul 15, 7:22 PM

Last Updated

3 months, 1 week ago

Jul 15, 7:30 PM

Resolved

Jul 16, 1:45 AM

Coordinates

37.5795, -122.3235

Update History

1 observations

CHP : Traffic Collision on US-101 Southbound north of E Poplar Ave (San Mateo). 3rd lane from the left blocked. Expect delays. Jul 15, 7:30 PM

Source: 511_sfbay · ID 511.org/1521658 First seen Jul 15, 2026 7:30 PM