The number of traffic fatalities in the U.S. increased over 7% in 2015 relative to the previous year, the largest such increase in almost half a century. Despite the recent uptick, traffic fatalities have been steadily decreasing for the past several decades. Deadly traffic accidents have dropped 29% since 1980.
South Carolina ranks worst in terms of fatal accidents per vehicle mile traveled, with 1.76 accidents per 100 million miles compared to an average of 1.04 nationwide.
