Road Closures & Conditions

Colusa County Road Conditions

The information for Colusa County's current road closures (PDF) is updated daily during office hours. Contact the Colusa County sheriff's office after hours at (530) 458-0200 for updates to road closure information.

Neighboring County Road Conditions

For road closure updates in any of our neighboring counties, please contact the individual counties at the numbers listed:

California State Highway Road Conditions

For road closures on any state route, including Highway 20, I-5, and Highway 45, contact the California Department of Transportation (Caltrans) at (800) 427-7623 or view one of the following link:

Road Closed Markers

It is unlawful for a driver of a vehicle to fail to obey a sign or signal defined as regulatory in the federal Manual on Uniform Traffic Control Devices. VC §21461 sub section (a) 21461.


Colusa County is not responsible for the contents of any off-site pages referenced. Links from Colusa County to other sites do not constitute an endorsement of that site by the county. These links are provided as an information service only.