Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Southbound north of E 3RD Ave (San Mateo). Right lanes blocked. Expect delays.

A injury accident was reported on US-101 S near San Mateo on July 28, 2026 at 1:22 PM.

Road

US-101 S

Area

San Mateo

Address

Loading…

Started

Jul 28, 6:22 AM

Last Updated

20 hours, 24 minutes ago

Jul 28, 6:45 AM

Resolved

Jul 28, 12:45 PM

Coordinates

37.5729, -122.3164

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of E 3RD Ave (San Mateo). Right lanes blocked. Expect delays. Jul 28, 6:30 AM

Source: 511_sfbay · ID 511.org/1527259 First seen Jul 28, 2026 6:30 AM