The 10 deadliest interstates in America, mapped Updated by Sarah Frostenson on November 6, 2015 at 9:00 a.m. ET Car accidents killed 32,719 people in 2013, about 90 people each day. And there are some stretches of American road that prove much deadlier than others.I used data from the National Highway Traffic Safety Administration to examine where fatal traffic accidents are most likely to occur, and whether there are certain stretches of highway that seem to have a disproportionate number of collisions given their size. I pulled the 2,867 fatal accidents on major American interstates in 2013 into the...