[IN THE CENTRAL CALIFORNIA AREA & SIERRA NEVADA] CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW TIRES ON ALL 4 WHEELS FROM 17 MI NORTH OF BISHOP TO 15 MI SOUTH OF THE JCT OF SR 203 (MONO CO) CHAINS OR SNOW TIRES ARE REQUIRED FROM 15 MI SOUTH OF THE JCT OF SR 203 TO 8 MI NORTH OF LEE VINING (MONO CO) CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW TIRES ON ALL 4 WHEELS FROM 8 MI NORTH OF LEE VINING TO 8 MI SOUTH OF BRIDGEPORT (MONO CO) CHAINS OR SNOW TIRES ARE REQUIRED FROM 8 MI SOUTH OF BRIDGEPORT TO THE JCT OF SR 108 (MONO 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. - LARGE TRUCKS WITH SINGLE-AXLE-DRIVE TOWING TWO TRAILERS ARE PROHIBITED IN CHAIN CONTROL AREAS