Accident High Severity Resolved

CHP : Residual delays on US-101 Southbound entering at Petaluma Blvd S (Petaluma). On Ramp affected. Expect delays.

A high-severity accident was reported on US-101 S near Sonoma on October 4, 2026 at 2:29 AM.

Road

US-101 S

Area

Sonoma

Address

Loading…

Started

Oct 3, 7:29 PM

Last Updated

3 weeks, 2 days ago

Oct 3, 8:30 PM

Resolved

Oct 4, 2:30 AM

Coordinates

38.2175, -122.6041

Update History

1 observations

CHP : Residual delays on US-101 Southbound entering at Petaluma Blvd S (Petaluma). On Ramp affected. Expect delays. Oct 3, 8:00 PM

Source: 511_sfbay · ID 511.org/1558693 First seen Oct 3, 2026 8:00 PM