[IN THE SACRAMENTO VALLEY & THE LAKE TAHOE BASIN] IS CLOSED TO WESTBOUND TRAFFIC 9 MI WEST OF KYBURZ (EL DORADO CO) AT 0740 HRS ON 1/7/19 - DUE TO AN OVERTURNED VEHICLE - MOTORISTS ARE ADVISED TO USE AN ALTERNATE ROUTE 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.