Accident Moderate Severity Resolved

CHP : Traffic Collision on US-101 Southbound north of Woodside Rd (Redwood City). Right lane blocked. Expect delays.

A injury accident was reported on US-101 S near San Mateo on September 21, 2026 at 8:03 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Sep 21, 1:03 PM

Last Updated

1 month ago

Sep 21, 2:00 PM

Resolved

Sep 21, 8:00 PM

Coordinates

37.4912, -122.2188

Update History

2 observations

CHP : Traffic Collision on US-101 Southbound north of Woodside Rd (Redwood City). Right lane blocked. Expect delays. Sep 21, 1:45 PM

CHP : Traffic Collision on US-101 Southbound north of Woodside Rd (Redwood City). Right lane blocked. Expect delays. Sep 21, 1:15 PM

Source: 511_sfbay · ID 511.org/1552554 First seen Sep 21, 2026 1:15 PM