Accident High Severity Resolved

CHP : Flooding on CA-1 Southbound north of Monterey Rd (Pacifica). Lanes affected. Expect delays.

A high-severity accident was reported on CA-1 S near San Mateo on April 21, 2026 at 2:14 AM.

Road

CA-1 S

Area

San Mateo

Address

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Started

Apr 20, 7:14 PM

Last Updated

1 month, 2 weeks ago

Apr 20, 7:30 PM

Resolved

Apr 21, 1:45 AM

Coordinates

37.6544, -122.4907

Update History

1 observations

CHP : Flooding on CA-1 Southbound north of Monterey Rd (Pacifica). Lanes affected. Expect delays. Apr 20, 7:30 PM

Source: 511_sfbay · ID 511.org/1483895 First seen Apr 20, 2026 7:30 PM