California Department of Transportation
 

Current State Route 203 Conditions

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


SR 203 
    [IN THE CENTRAL CALIFORNIA AREA & SIERRA NEVADA]
    CHAINS OR SNOW TIRES ARE REQUIRED FROM 2.5 MI WEST OF THE JCT OF US 395 TO
THE MAMMOTH MOUNTAIN INN (MONO CO)