Accident High Severity Resolved

CHP : Traffic Collision on US-101 Southbound entering at River Rd (Unincorporated). On Ramp affected. Expect delays.

A high-severity accident was reported on US-101 S near Sonoma on April 12, 2026 at 7:09 PM.

Road

US-101 S

Area

Sonoma

Address

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Started

Apr 12, 12:09 PM

Last Updated

6 months, 2 weeks ago

Apr 12, 12:45 PM

Resolved

Apr 12, 6:45 PM

Coordinates

38.4967, -122.7571

Update History

1 observations

CHP : Traffic Collision on US-101 Southbound entering at River Rd (Unincorporated). On Ramp affected. Expect delays. Apr 12, 12:15 PM

Source: 511_sfbay · ID 511.org/1480402 First seen Apr 12, 2026 12:15 PM