-Chains are required on all vehicles except 4-wheel-drive vehicles with snow tires on all 4 wheels from Ham's Station (Amador Co) to Picketts Jct (Alpine Co)
+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)