[IN THE SACRAMENTO VALLEY & THE LAKE TAHOE BASIN] 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. TRAFFIC IS NO LONGER BEING HELD FROM ECHO SUMMIT TO MEYERS (EL DORADO CO) AT 0955 HRS ON 2/27/19