[IN THE CENTRAL CALIFORNIA & SIERRA NEVADA] CHAINS OR SNOW TIRES ARE REQUIRED FROM 9 MI EAST OF PINE GROVE TO 3.6 MI WEST OF DEW DROP (AMADOR CO) CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW TIRES ON ALL 4 WHEELS FROM 3.6 MI WEST OF DEW DROP (AMADOR CO) TO 1 MI WEST OF WOODFORD (ALPINE CO)