Accident High Severity Resolved

CHP : Traffic Hazard on US-101 Southbound north of Petaluma Blvd S (Petaluma). Right and center lanes blocked. Expect delays.

A high-severity accident was reported on US-101 S near Sonoma on July 21, 2026 at 11:09 PM.

Road

US-101 S

Area

Sonoma

Address

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Started

Jul 21, 4:09 PM

Last Updated

6 days, 12 hours ago

Jul 21, 4:15 PM

Resolved

Jul 21, 10:30 PM

Coordinates

38.2236, -122.6118

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of Petaluma Blvd S (Petaluma). Right and center lanes blocked. Expect delays. Jul 21, 4:15 PM

Source: 511_sfbay · ID 511.org/1524207 First seen Jul 21, 2026 4:15 PM