-CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW  TIRES ON ALL 4 WHEELS FROM PINE GROVE (AMADOR CO) TO 2 MI EAST OF KIRKWOOD  (ALPINE CO) 
+CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW  TIRES ON ALL 4 WHEELS FROM 3.7 MI EAST OF PINE GROVE (AMADOR CO) TO 2 MI EAST   OF KIRKWOOD (ALPINE CO)