Car crashes are a terrifying risk of driving. Death rates from car accidents vary highly across the U.S. Researcher Michael Sivak of the University of Michigan Transportation Research Institute analyzed recent trends in fatalities from car crashes in each state. From this study, here are the number of road fatalities in 2012 per 100,000 people in each state: Business Insider/Andy Kiersz, data from Michael Sivak, University of Michigan. North Dakota, Montana, and Wyoming are the most dangerous states, with over 20 deaths per 100,000 people each.