Accident High Severity Resolved

CHP : Traffic Hazard on US-101 Southbound south of Petaluma Blvd S (Petaluma). Left lanes affected. Expect delays.

A high-severity accident was reported on US-101 S near Sonoma on September 11, 2026 at 12:45 PM.

Road

US-101 S

Area

Sonoma

Address

Loading…

Started

Sep 11, 5:45 AM

Last Updated

1 month, 2 weeks ago

Sep 11, 6:30 AM

Resolved

Sep 11, 12:45 PM

Coordinates

38.2175, -122.6041

Update History

2 observations

CHP : Traffic Hazard on US-101 Southbound south of Petaluma Blvd S (Petaluma). Left lanes affected. Expect delays. Sep 11, 6:00 AM

CHP : Traffic Hazard on US-101 Southbound south of Petaluma Blvd S (Petaluma). Left lane affected. Expect delays. Sep 11, 5:45 AM

Source: 511_sfbay · ID 511.org/1547872 First seen Sep 11, 2026 5:45 AM