Accident Moderate Severity Stale

CHP : Traffic Collision on US-101 Southbound exiting at E Poplar Ave (San Mateo). Left lanes blocked. Expect delays.

A injury accident was reported on US-101 S near San Mateo on October 28, 2026 at 5:26 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Oct 28, 10:26 AM

Last Updated

2 hours, 37 minutes ago

Oct 28, 11:00 AM

Coordinates

37.5812, -122.3254

Update History

1 observations

CHP : Traffic Collision on US-101 Southbound exiting at E Poplar Ave (San Mateo). Left lanes blocked. Expect delays. Oct 28, 11:00 AM

Source: 511_sfbay · ID 511.org/1569774 First seen Oct 28, 2026 11:00 AM