VIDEO: How to drive safely in snow
The CHP said they has to close I-80 in both directions between Truckee and Alta because of multiple collisions.
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Around 5:30 p.m., all lanes were reopened.
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VIDEO: Planning a snow trip? Check out these Sierra driving tips from the pros
Chain controls are in effect due to snow that has blanketed the roadway.
Stay with ABC7 News for more on this developing story.