Accident Moderate Severity Resolved

CHP : Traffic Hazard on US-101 Southbound exiting at River Rd (Unincorporated). Right lane blocked. Expect delays.

A injury accident was reported on US-101 S near Sonoma on October 9, 2026 at 1:35 AM.

Road

US-101 S

Area

Sonoma

Address

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Started

Oct 8, 6:35 PM

Last Updated

2 weeks, 6 days ago

Oct 8, 7:30 PM

Resolved

Oct 9, 1:45 AM

Coordinates

38.4989, -122.7602

Update History

2 observations

CHP : Traffic Hazard on US-101 Southbound exiting at River Rd (Unincorporated). Right lane blocked. Expect delays. Oct 8, 7:00 PM

CHP : Traffic Hazard on US-101 Southbound at River Rd (Unincorporated). Off Ramp affected. Expect delays. Oct 8, 6:45 PM

Source: 511_sfbay · ID 511.org/1561157 First seen Oct 8, 2026 6:45 PM