The total number of traffic fatalities in large truck involved crashes decreased 4.4 percent , from 5,027 in 2006 to 4,808 in 2007 . The number of fatalities is at its lowest level since 1992 . Truck occupant fatalities decreased 0.4 percent and fatalities for occupants of other vehicles involved in the crash dropped an impressive 5.2 percent . Fatalities for people who were not a vehicle occupant , such as cyclists or pedestrians , decreased 4.7 percent .