[IN THE CENTRAL CALIFORNIA & SIERRA NEVADA] 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 3.5 MI EAST OF WOODFORDS (ALPINE CO) IS REOPENED FROM 3.5 MI EAST OF SILVER LAKE TO KIRKWOOD /CARSON SPUR/ (AMADOR CO) AT 1842 HRS ON 12/13/15