[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 6.3 MI EAST OF HAM'S STATION (AMADOR CO) TO THE NORTH JCT OF SR 89 (ALPINE CO) CHAINS OR SNOW TIRES ARE REQUIRED FROM THE NORTH JCT OF SR 89 TO 1 MI WEST OF WOODFORDS (ALPINE CO) 1-WAY CONTROLLED TRAFFIC AT VARIOUS LOCATIONS FROM 2.6 MI WEST TO 0.3 MI WEST OF THE JCT OF SR 124 (AMADOR CO) FROM 0700 HRS TO 1600 HRS MONDAY THRU FRIDAY THRU 4/12/13 - DUE TO MAINTENANCE - MOTORISTS ARE SUBJECT TO DELAYS OF UP TO 15 MINUTES