Accident High Severity Stale

CHP : Traffic Hazard on CA-1 Southbound north of Old Devil's Slide Hwy (Pacifica). Lane affected. Expect delays.

A high-severity accident was reported on CA-1 S near San Mateo on August 20, 2026 at 3:51 AM.

Road

CA-1 S

Area

San Mateo

Address

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Started

Aug 19, 8:51 PM

Last Updated

17 minutes ago

Aug 19, 9:30 PM

Coordinates

37.5825, -122.5100

Update History

1 observations

CHP : Traffic Hazard on CA-1 Southbound north of Old Devil's Slide Hwy (Pacifica). Lane affected. Expect delays. Aug 19, 9:00 PM

Source: 511_sfbay · ID 511.org/1538101 First seen Aug 19, 2026 9:00 PM