Accident Moderate Severity Resolved

CHP : Flooding on US-101 Northbound exiting at Airport Exit (Millbrae). Right lane blocked. Expect delays.

A injury accident was reported on US-101 N near San Mateo on April 12, 2026 at 1:31 PM.

Road

US-101 N

Area

San Mateo

Address

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Started

Apr 12, 6:31 AM

Last Updated

6 months, 2 weeks ago

Apr 12, 8:15 AM

Resolved

Apr 12, 2:30 PM

Coordinates

37.6136, -122.3964

Update History

5 observations

CHP : Flooding on US-101 Northbound exiting at Airport Exit (Millbrae). Right lane blocked. Expect delays. Apr 12, 8:15 AM

CHP : Flooding on US-101 Northbound exiting at Airport Exit (Millbrae). Right lane blocked. Expect delays. Apr 12, 7:30 AM

CHP : Flooding on US-101 Northbound exiting at Airport Exit (Millbrae). Lanes affected. Expect delays. Apr 12, 7:15 AM

CHP : Flooding on US-101 Northbound exiting at Airport Exit (Millbrae). Lanes affected. Expect delays. Apr 12, 6:45 AM

CHP : Traffic Hazard on US-101 Northbound at E Millbrae Ave (Millbrae). Right lane affected. Expect delays. Apr 12, 6:30 AM

Source: 511_sfbay · ID 511.org/1480256 First seen Apr 12, 2026 6:30 AM