California State Route SR-20 Yuba-Donner Scenic Byway California Highway SR-20 CalTrans Road Conditions in California


Detailed List of Road Conditions
SR-20

In Northern California

1-way controlled traffic from 1.4 mi west to 1.2 mi west of the Lake/Colusa Co Line 24 hrs a day 7 days a week thru 1800 hrs on 7/1/25 - Due to construction
1-way controlled traffic from 6.3 mi east to 6.8 mi east of the Colusa/Sutter Co Line 24 hrs a day 7 days a week - Due to emergency work
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