about a hundred people per day dramatically up last year highest in 2015 over 38,000 people were killed U.S. traffic deaths NPR.org NPR National Safety Council reports largest percentage rise 38,000 Americans dramatically up last year 38,000 Americans dramatically up last year dramatically up last year how many people died in car crashes 38,000 traffic fatalities last year in the US one per 82 million miles of regular car travel reported National Safety Council car crash U.S. traffic deaths 50 years dramatically up last year