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January 18, 2018

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Motorists roll through a traffic light on southbound U.S. 93 as they approach Interstate 40 in Kingman, Ariz., on Friday, Nov. 8, 2013.

Julie Jacobson / AP

Motorists roll through a traffic light on southbound U.S. 93 as they approach Interstate 40 in Kingman, Ariz., on Friday, Nov. 8, 2013.