Accident High Severity Resolved

CHP : Flooding on US-101 Northbound entering at E Millbrae Ave (Millbrae). On Ramp blocked. Expect delays.

A high-severity accident was reported on US-101 N near San Mateo on April 12, 2026 at 2:41 PM.

Road

US-101 N

Area

San Mateo

Address

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Started

Apr 12, 7:41 AM

Last Updated

6 months, 2 weeks ago

Apr 12, 8:45 AM

Resolved

Apr 12, 2:45 PM

Coordinates

37.6027, -122.3802

Update History

2 observations

CHP : Flooding on US-101 Northbound entering at E Millbrae Ave (Millbrae). On Ramp blocked. Expect delays. Apr 12, 8:15 AM

CHP : Flooding on US-101 Northbound entering at E Millbrae Ave (Millbrae). On Ramp blocked. Expect delays. Apr 12, 7:45 AM

Source: 511_sfbay · ID 511.org/1480281 First seen Apr 12, 2026 7:45 AM