The Wyoming Department of Transportation has announced several highway closures due a severe winter storm that blanketed the state in snow.

A 357 mile stretch of eastbound Interstate 80 between Evanston and Cheyenne, has been closed.

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150 miles of Interstate 80 in both directions, between Rawlins and Cheyenne, was also closed.

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WyDOT has no expected opening date, and says the closures will remain for an “extended period of time.”

Update (12/16/2015 4:19 PM):

Portions of I-80 have been reopened for travel according to the WyDOT.

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