California Department of Transportation
 

Current State Route 20 Conditions

Before driving, check with the Caltrans Highway Information Network (CHIN) 800.427.7623


SR 20 
    [IN THE NORTHERN CALIFORNIA AREA]
    CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW
TIRES ON ALL 4 WHEELS FROM 6 MI WEST OF GRASS VALLEY TO THE JCT OF I 80
(NEVADA CO) 

PLEASE RESEARCH CHAIN CONTROL LOCATIONS AS CALTRANS IS CURRENTLY WORKING TO 
UPDATE CHAIN CONTROL DESCRIPTIONS FOR CONSISTENCY WITH INTERNET MAPPING, 
LIKE GOOGLE MAPS & MAPQUEST.

    1-WAY CONTROLLED TRAFFIC AT BRUNER DR /IN GLENHAVEN/ (LAKE CO) - DUE TO 
STRUCTURE FIRE 

    1-WAY CONTROLLED TRAFFIC FROM HUSTED RD /IN WILLIAMS/ TO WILL S GREEN RD 
/IN COLUSA/ (COLUSA CO) - DUE TO FLOODING 

    IS CLOSED TO ALL TRACTOR-SEMITRAILER COMBINATIONS FROM 0.4 MI EAST OF
NEVADA CITY /AT NEVADA ST/ TO THE JCT OF I 80 (NEVADA CO) - DUE TO SNOW 
- ALL TRACTOR-SEMITRAILER COMBINATIONS ARE ADVISED TO USE AN ALTERNATE ROUTE