-CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW  TIRES ON ALL 4 WHEELS FROM 3.5 MI EAST OF SILVER LAKE TO KIRKWOOD (AMADOR CO) 
+CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW  TIRES ON ALL 4 WHEELS FROM 3.5 MI EAST OF SILVER LAKE (AMADOR CO) TO 5 MI WEST  OF PICKETTS JCT (ALPINE CO)