[IN THE SACRAMENTO VALLEY & THE LAKE TAHOE BASIN] TRAFFIC IS BEING HELD FROM TWIN BRIDGES TO MEYERS (EL DORADO CO) - DUE TO SPIN OUTS CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW TIRES ON ALL 4 WHEELS FROM 4 MI EAST OF PLACERVILLE 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.