Accident Moderate Severity Resolved

CHP : Severe traffic alert and Traffic Collision and Debris on CA-12 Eastbound between Napa Rd (Sonoma) and Ramal Rd (Unincorporated). All lanes blocked. Avoid the area.

A injury accident was reported on CA-12 E near Sonoma on September 9, 2026 at 3:02 PM.

Road

CA-12 E

Area

Sonoma

Address

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Started

Sep 9, 8:02 AM

Last Updated

1 month, 2 weeks ago

Sep 9, 10:30 AM

Resolved

Sep 9, 4:45 PM

Coordinates

38.2472, -122.4128

Update History

4 observations

CHP : Severe traffic alert and Traffic Collision and Debris on CA-12 Eastbound between Napa Rd (Sonoma) and Ramal Rd (Unincorporated). All lanes blocked. Avoid the area. Sep 9, 10:15 AM

CHP : Severe traffic alert and Traffic Collision and Debris on CA-12 Eastbound between Napa Rd (Sonoma) and Ramal Rd (Unincorporated). All lanes blocked. Avoid the area. Sep 9, 9:15 AM

CHP : Severe traffic alert and Traffic Collision and Debris on CA-12 Eastbound at Napa Rd (Sonoma). All lanes blocked. Avoid the area. Sep 9, 8:30 AM

CHP : Severe traffic alert and Traffic Collision and Debris on CA-12 Eastbound at Napa Rd (Sonoma). All lanes blocked. Avoid the area. Sep 9, 8:15 AM

Source: 511_sfbay · ID 511.org/1546783 First seen Sep 9, 2026 8:15 AM