||In 2008, a total of 205,281 Indiana total traffic collisions were reported by law enforcement. Of those, 13,264 (6.5 percent) involved a large truck. One of every six fatal traffic collisions in 2008 involved a large truck. This fact sheet summarizes data trends on traffic collisions involving large trucks between 2004 and 2008, including alcohol use, injuries, speeding, and other factors contributing to large truck collisions. Indiana data are taken from the Indiana State Police Automated Reporting Information Exchange System (ARIES), as of March 1, 2009.