[IN THE CENTRAL CALIFORNIA & SIERRA NEVADA] IS CLOSED FROM 3.5 MI EAST OF SILVER LAKE TO KIRKWOOD /CARSON SPUR/ (AMADOR CO) AT 1530 HRS ON 12/12/12 - DUE TO AVALANCHE CONTROL - MOTORISTS ARE ADVISED TO USE AN ALTERNATE ROUTE CHAINS OR SNOW TIRES ARE REQUIRED FROM DEW DROP TO COOK'S STATION (AMADOR CO) CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW TIRES ON ALL 4 WHEELS FROM COOK'S STATION (AMADOR CO) TO 3.5 MI EAST OF WOODFORDS (ALPINE CO)