+**For Eastbound Traffic: Chains are required on all vehicles except 4-wheel-drive vehicles with snow tires on all 4 wheels from Kingvale (Placer Co) to Truckee (Nevada Co)
+**For Westbound Traffic: Chains are required on all vehicles except 4-wheel-drive vehicles with snow tires on all 4 wheels from the Donner Lake Interchange to 2.5 mi east of the Jct of SR 20 (Nevada Co)