[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. 1-WAY CONTROLLED TRAFFIC 0.8 MI WEST OF ECHO SUMMIT /AT ECHO LAKE RD/ (EL DORADO CO) - DUE TO A TRAFFIC COLLISION IS REDUCED TO 1 LANE IN EACH DIRECTION FROM SLY PARK RD /IN POLLOCK PINES/ TO CARSON RD /IN CAMINO HEIGHTS/ (EL DORADO CO) FROM 0600 HRS TO 1800 HRS MONDAY THRU FRIDAY THRU 12/23/16 -DUE TO MAINTENANCE