[IN THE CENTRAL CALIFORNIA & SIERRA NEVADA] CHAINS OR SNOW TIRES ARE REQUIRED FROM 6.3 MI EAST OF HAM'S STATION TO SILVER LAKE (AMADOR CO) 1-WAY CONTROLLED TRAFFIC AT VARIOUS LOCATIONS FROM 1.3 MI EAST OF DEW DROP RD (AMADOR CO) TO THE AMADOR/ALPINE CO LINE FROM 0800 HRS TO 1500 HRS MONDAY THRU FRIDAY THRU 2/18/11 - DUE TO MAINTENANCE