UPDATE 3:30 P.M.:

Chain controls have been lifted on I-80.

On State Route 89, chains or snow tires are required from Bliss State Park to Tahoma (Placer).

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Chain controls have been lifted on State Route 28.

UPDATE 9:20 A.M.:

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For eastbound I-80 traffic, chains are required on all vehicles except four-wheel-drive vehicles with snow tires on all four wheels from 3.4 miles east of Gold Run to the Donner Lake Interchange.

For westbound I-80 traffic, chains are required on all vehicles except four-wheel-drive vehicles with snow tires on all four wheels from the Donner Lake Interchange to Colfax.

Chain controls have been lifted on State Route 267.

ORIGINALLY POSTED:

Interstate 80

Chains are required on all vehicles except four-wheel-drive vehicles with snow tires on all four wheels from Colfax to the Donner Lake Interchange.

State Route 89

Chains or snow tires are required from Bliss State Park to Tahoe City.

Chains are required on all vehicles except four-wheel-drive vehicles with snow tires on all four wheels from Tahoe City to Squaw Valley Road.

Chains or snow tires are required from Squaw Valley Road to the Junction of I-80.

Chains or snow tires are required from Truckee to Sierraville.

State Route 267

Chains or snow tires are required from Truckee to 5 miles south of Truckee.

Chains are required on all vehicles except four-wheel-drive vehicles with snow tires on all four wheels from 5 miles south of Truckee to Kings Beach.

State Route 28

Chains are required on all vehicles except four-wheel-drive vehicles with snow tires on all four wheels from Tahoe City to 4 miles east of Tahoe City.

State Route 20

Chains are required on all vehicles except four-wheel-drive vehicles with snow tires on all four wheels from Nevada Street in Nevada City to the Junction of I-80.

Source: Caltrans