Accident Moderate Severity Resolved

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

A injury accident was reported on US-101 S near Sonoma on July 31, 2026 at 3:23 AM.

Road

US-101 S

Area

Sonoma

Address

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Started

Jul 30, 8:23 PM

Last Updated

1 day, 2 hours ago

Jul 30, 8:30 PM

Resolved

Jul 31, 2:45 AM

Coordinates

38.3185, -122.7144

Update History

1 observations

CHP : Traffic Hazard on US-101 Southbound south of W Sierra Ave (Cotati). Left lane affected. Expect delays. Jul 30, 8:30 PM

Source: 511_sfbay · ID 511.org/1528800 First seen Jul 30, 2026 8:30 PM