The objective was to determine how certain characteristics of cars, utility vehicles, and pickup trucks influence the fatality risk for occupants of cars with which they collide - the aggressivity of the striking vehicle. Fatality risks were estimated by combing data on fatalities from FARS with data on collision involvement from GES. To make them compatible, certain states had to be excluded. A model including the ratio of the weights of the colliding vehicles, and the speed environments was developed to control for their strong influence on the fatality risk in a collision. In collisions with pickup trucks or vans, car drivers are exposed to a much higher fatality risk than in collisions with cars. In collisions with sport utility vehicles, the risk for car drivers was even higher. This holds even after control for the confounding factors. The controlled fatality risk for the car driver tended to increase with the weight of the striking vehicle, and its height of the center of force and its frontal static stiffness, as measured in crash tests. However, only for sport utility vehicles were the relations with these factors clear, though they could not be completely separated with the available data. In addition to these apparent effects, large unexplained differences remained between the vehicle classes.
Vehicle Design versus Aggressivity
2000
142 pages
Report
Keine Angabe
Englisch
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