FILE - In this Dec. 10, 2015 file photo, vehicles along eastbound Interstate 90 heading up Snoqualmie Pass are stopped in snow and slush during a road closure in Washington state. The recent deaths of two Washington State University students driving back to campus in Pullman, Wash., after winter break have revived concerns about the safety of roadways leading to the rural college town. (AP Photo/Ted S. Warren, file)
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