||In Indiana, a dangerous driving collision is defined as any collision where a driver takes any of the following actions: aggressive driving, disregarding a signal, or speeding. In 2012, 22,527 of the 188,841 traffic collisions (12 percent) that occurred in Indiana involved one or more actions defined as dangerous driving. Twenty-seven percent (208 of 779) of 2012 Indiana traffic fatalities occurred in dangerous driving collisions, and 22 percent (175 of 779) occurred in speeding collisions.
The National Highway Traffic Safety Administration (NHTSA) reports that, nationally in 2011 (latest data available), the number of speed-related fatalities (the most common form of dangerous driving in Indiana) decreased 5 percent, down from 10,508 in 2010 to 9,944 in 2011. This fact sheet summarizes dangerous driving data trends at national, regional, state, and county levels. Analyses include data from several sources. Indiana data come primarily from the Indiana State Police Automated Reporting Information Exchange System (ARIES), as of April 9, 2013.