Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Southbound north of W Sierra Ave (Cotati). Left lane blocked. Expect delays.

A injury accident was reported on US-101 S near Sonoma on October 23, 2026 at 5:46 PM.

Road

US-101 S

Area

Sonoma

Address

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Started

Oct 23, 10:46 AM

Last Updated

3 days, 18 hours ago

Oct 23, 11:00 AM

Resolved

Oct 23, 5:15 PM

Coordinates

38.3185, -122.7144

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound north of W Sierra Ave (Cotati). Left lane blocked. Expect delays. Oct 23, 11:00 AM

Source: 511_sfbay · ID 511.org/1567589 First seen Oct 23, 2026 11:00 AM