Update Friday 10:30 a.m.:

All chain controls have been dropped on I-80.

UPDATE:

Chain control has been lifted on I-80 over Donner Summit…. for now
More snow is coming in tomorrow so BE PREPARED AND PLAN AHEAD! pic.twitter.com/nqGE0s4cAe

— CHP Truckee (@CHP_Truckee) April 15, 2022

Update Friday 7:15 a.m.:

Chain controls are in effect on I-80 Friday morning for the Truckee area.

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

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For westbound 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 4.7 miles west of Kingvale.

Update 4:53 p.m.:

Westbound traffic has since been released.

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Update 2:25 p.m.:

Westbound I-80 traffic is being turned around at the Donner Lake Interchange and held near Whitmore due to a jackknifed big rig, according to Caltrans. There is no estimated time of reopening the interstate.

#TrafficAlert: I-80 WB traffic is being turned at Donner Lake Interchange and held near Whitmore due to a jackknifed big rig. There is no ETO. pic.twitter.com/zyws4q2gVG

— Caltrans District 3 (@CaltransDist3) April 14, 2022

Update 10:50 a.m.:

For eastbound I-80 traffic, chains are required on all vehicles except four-wheel-drive vehicles with snow tires on all four wheels from Cisco 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 2.5 miles east of the Junction of Highway 20.

For Highway 20, chains are required on all vehicles except four-wheel-drive vehicles with snow tires on all four wheels from Washington Road to the Junction of I-80.

Initially Posted:

Chains controls are in effect for Interstate 80 in the Truckee-Tahoe area and Highway 20 in Nevada County.

Interstate 80:

Chains are required on all vehicles except four-wheel-drive vehicles with snow tires on all four wheels from 2.1 miles east of Baxter to Truckee.

Highway 20:

Chains are required on all vehicles except four-wheel-drive vehicles with snow tires on all four wheels from Washington Road to the Junction of I-80.

For more chain control information, visit Caltrans website.