[IN THE NORTHERN CALIFORNIA AREA] CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW TIRES ON ALL 4 WHEELS FROM TWIN BRIDGES TO MEYERS (EL DORADO 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. IS REDUCED TO 1 LANE IN EACH DIRECTION FROM 3 MI EAST OF POLLOCK PINES TO 1 MI WEST OF RIVERTON /AT BRIDAL VEIL FALLS RD/ (EL DORADO CO) - DUE TO A SLIPOUT - MOTORISTS ARE SUBJECT TO DELAYS