Ten years ago, motorcycles were involved in 1 out of every 10 vehicle fatalities. By 2014, despite making up only 3 percent of registered motor vehicles, motorcycles were involved in 1 out of 7 fatal crashes. Although total traffic-related deaths have trended downward until recently, the number of motorcycle-related fatalities has increased significantly, from 2,116 in 1997 to 4,576 in 2005 and then to 4,976 in 2015, an overall increase of 174 percent.
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