Accident High Severity Resolved

CHP : Traffic Hazard on CA-1 Southbound entering at Bay St (Unincorporated). Right lane affected. Expect delays.

A high-severity accident was reported on CA-1 S near San Mateo on October 9, 2026 at 9:27 PM.

Road

CA-1 S

Area

San Mateo

Address

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Started

Oct 9, 2:27 PM

Last Updated

2 weeks, 4 days ago

Oct 9, 2:45 PM

Resolved

Oct 9, 9:00 PM

Coordinates

36.9667, -122.0403

Update History

1 observations

CHP : Traffic Hazard on CA-1 Southbound entering at Bay St (Unincorporated). Right lane affected. Expect delays. Oct 9, 2:45 PM

Source: 511_sfbay · ID 511.org/1561567 First seen Oct 9, 2026 2:45 PM