Accident Moderate Severity Resolved

CHP : Traffic Collision on US-101 Southbound north of Whipple Ave (Redwood City). Lane affected. Expect delays.

A injury accident was reported on US-101 S near San Mateo on September 4, 2026 at 9:14 PM.

Road

US-101 S

Area

San Mateo

Address

Loading…

Started

Sep 4, 2:14 PM

Last Updated

1 month, 3 weeks ago

Sep 4, 2:15 PM

Resolved

Sep 4, 8:15 PM

Coordinates

37.4961, -122.2325

Update History

1 observations

CHP : Traffic Collision on US-101 Southbound north of Whipple Ave (Redwood City). Lane affected. Expect delays. Sep 4, 2:15 PM

Source: 511_sfbay · ID 511.org/1545280 First seen Sep 4, 2026 2:15 PM