Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Southbound west of Gravenstein Hwy (Cotati). Lane affected. Expect delays.

A injury accident was reported on US-101 S near Sonoma on October 19, 2026 at 4:55 AM.

Road

US-101 S

Area

Sonoma

Address

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Started

Oct 18, 9:55 PM

Last Updated

1 week, 1 day ago

Oct 18, 10:00 PM

Resolved

Oct 19, 4:15 AM

Coordinates

38.3345, -122.7382

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound west of Gravenstein Hwy (Cotati). Lane affected. Expect delays. Oct 18, 10:00 PM

Source: 511_sfbay · ID 511.org/1565597 First seen Oct 18, 2026 10:00 PM