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Analysis of Rear Underride in Fatal Truck Crashes

Product #: 811 652

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This study was conducted by the University of Michigan Transportation Research Institute (UMTRI) to collect and analyze crash data on rear underride in fatal truck crashes in 2008. The underride data was collected as a supplement to the 2008 Trucks Involved in Fatal Accidents (TIFA) survey, which in turn supplements NHTSA’s Fatality Analysis Reporting System file. Data was collected on the rear geometry of the rear-most unit of all trucks in the 2008 TIFA file. In addition, for all collisions in which the rear of the truck was struck, data was collected on the extent of underride, damage to the underride guard, if any, and whether the collision was offset. In addition, international rear underride protection standards were surveyed and summarized.