[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) TRAFFIC IS NO LONGER BEING HELD FROM ECHO SUMMIT TO MEYERS (EL DORADO CO) AT 2100 HRS ON 12/21/15