[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 KIRKWOOD (AMADOR CO) TO 5 MI WEST OF PICKETTS JCT (ALPINE CO) CHAINS OR SNOW TIRES ARE REQUIRED FROM 6.5 MI EAST OF PEDDLER HILL TO SILVER LAKE (AMADOR CO)