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"NHTSA Quick Facts 2014". National Highway Traffic Safety Administration. 2014. Archived from the original on 18 October 2020. Retrieved 13 July 2020.
National Highway Traffic Safety Administration National Center for Statistics and Analysis. "2017 Fatal Motor Vehicle Crashes: Overview". NHSTA Traffic Safety Facts. US Department of Transportation. DOT HS 812 603. Archived from the original on 2018-10-25. Retrieved 2018-10-26.