[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 SILVER LAKE (AMADOR CO) TO 3.5 MI EAST OF WOODFORDS (ALPINE CO) 1-WAY CONTROLLED TRAFFIC AT VARIOUS LOCATIONS FROM 4.3 MI EAST OF PEDDLER HILL (AMADOR CO) TO 2.2 MI EAST OF THE AMADOR/ALPINE CO LINE FROM 0800 HRS TO 1600 HRS MONDAY THRU THURSDAY THRU 4/18/13 - DUE TO MAINTENANCE