Research Note Single-Unit Straight Trucks in Traffic Crashes (DOT-HS-811-740), Data from the Fatality Analysis Reporting System (FARS) and General Estimates System (GES) show that, in 2011, about 3 percent of fatal crashes, 1.7 percent of injury crashes, and 2 percent of property-damage-only (PDO) crashes involved single-unit trucks (SUTs). Crashes involving SUTs killed 1,064 people and injured about 38,000 people. Additionally, about 87,000 SUTs were involved in crashes that resulted in major property damage. Most of the people who died or received injuries in SUT crashes were occupants of other vehicles, bicyclists, or pedestrians rather than the occupants of SUTs