[IN THE CENTRAL CALIFORNIA & SIERRA NEVADA] IS CLOSED FROM 3.5 MI EAST OF SILVER LAKE TO KIRKWOOD /CARSON SPUR/ (AMADOR CO) - DUE TO AVALANCHE CONTROL - MOTORISTS ARE ADVISED TO USE AN ALTERNATE ROUTE IS CLOSED FROM 2 MI EAST OF KIRKWOOD TO 5 MI WEST OF PICKETTS JCT /CARSON PASS/ (ALPINE CO) - DUE TO SNOW - 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 3.6 MI WEST OF DEW DROP (AMADOR CO) TO 1 MI WEST OF WOODFORDS (ALPINE CO)