Accident High Severity Resolved

CHP : Traffic Collision on US-101 Northbound at Rohnert Park Expy (Rohnert Park). On Ramp affected. Expect delays.

A high-severity accident was reported on US-101 N near Sonoma on October 18, 2026 at 9:30 PM.

Road

US-101 N

Area

Sonoma

Address

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Started

Oct 18, 2:30 PM

Last Updated

1 week, 1 day ago

Oct 18, 2:45 PM

Resolved

Oct 18, 9:00 PM

Coordinates

38.3442, -122.7128

Update History

1 observations

CHP : Traffic Collision on US-101 Northbound at Rohnert Park Expy (Rohnert Park). On Ramp affected. Expect delays. Oct 18, 2:45 PM

Source: 511_sfbay · ID 511.org/1565467 First seen Oct 18, 2026 2:45 PM