[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 5 MI WEST OF PICKETTS JCT (ALPINE CO) 1-WAY CONTROLLED TRAFFIC AT VARIOUS LOCATIONS FROM 3.7 MI EAST OF PINE GROVE TO 5 MI WEST OF DEW DROP /AT COLUMBIA DR/ (AMADOR CO) FROM 0800 HRS TO 1500 HRS TUESDAY THRU SATURDAY THRU 12/5/15 - DUE TO MAINTENANCE