-CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW  TIRES ON ALL 4 WHEELS FROM COOK'S STATION TO 3.5 MI EAST OF SILVER LAKE  (AMADOR CO) 
+CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW  TIRES ON ALL 4 WHEELS FROM HAM'S STATION TO 3.5 MI EAST OF SILVER LAKE  (AMADOR CO)