+[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 4 MI EAST OF HAMS STATION TO SILVER LAKE (AMADOR CO) 
+CHAINS OR SNOW TIRES ARE REQUIRED FROM SILVER LAKE (AMADOR CO) TO 5 MI  WEST OF PICKETTS JCT (ALPINE CO)