[IN THE CENTRAL CALIFORNIA & SIERRA NEVADA] CHAINS OR SNOW TIRES ARE REQUIRED FROM 6 MI EAST OF PEDDLER HILL TO SILVER LAKE (AMADOR CO) CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW TIRES ON ALL 4 WHEELS FROM SILVER LAKE (AMADOR CO) TO THE AMADOR/ALPINE CO LINE