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原文传递 Fatalities in Frontal Crashes Despite Seat Belts and Air Bags: Review of All CDS Cases, Model and Calendar Years 2000-2007, 122 Fatalities.

题名：	Fatalities in Frontal Crashes Despite Seat Belts and Air Bags: Review of All CDS Cases, Model and Calendar Years 2000-2007, 122 Fatalities.
作者：	J. D. Bean; C. J. Kahane; M. Mynatt; R. W. Rudd; C. J. Rush;
关键词：	passenger vehicles,seat belts,air bags,motor vehicle accidents,frontal crashes,seat belts;crashworthiness, case reviews, elderly persons, fatalities, statistical data, effectiveness, intrusion, instrument panels, regulations, restraint systems, injury sev
摘要：	Why are people still dying in frontal crashes despite seat belt use, air bags, and the crashworthy structures of late-model vehicles. Statistical analyses show the combination of seat belt use and air bags is highly effective, reducing fatality risk by 61 percent compared to an unbelted occupant of a vehicle not equipped with air bags but 61 percent is not 100 percent. To address the question, an interdisciplinary NHTSA team reviewed every case of a frontal fatality to a belted driver or right-front passenger in a model year 2000 or newer vehicle in the Crashworthiness Data System (CDS) of the National Automotive Sampling System through calendar year 2007. Aside from a substantial proportion of these 122 crashes that are just exceedingly severe, the main reason people are still dying is because so many crashes involve poor structural engagement between the vehicle and its collision partner: corner impacts, oblique crashes, impacts with narrow objects, and underrides. By contrast, few if any of these 122 fatal crashes were full-frontal or offset-frontal impacts with good structural engagement, unless the crashes were of extreme severity or the occupants exceptionally vulnerable. / NOTE: Technical rept. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5301 Shawnee Road, Alexandria, VA, 22312, USA.
报告类型：	科技报告