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Relative Frequency of Unsafe Driving Acts in Serious Traffice Crashes. Summary Technical Report
| 题名： | Relative Frequency of Unsafe Driving Acts in Serious Traffice Crashes. Summary Technical Report |
| 作者： | Hendricks, D. L.; Fell, J. C.; Freedman, M. |
| 关键词： | Highway safety; Driver behavior; Motor vehicle accidents; Accident causes; Countermeasures; Sampling; United States; Crashes |
| 摘要： | This study was conducted to determine the specific driver behaviors and unsafe driving acts (UDAs) that lead to crashes, and the situational, driver and vehicle characteristics associated with these behaviors. A sample of 723 crashes involving 1284 drivers was investigated from four different sites in the country during the period from April 1, 1996 through April 30, 1997. The crashes were selected using the National Automotive Sampling System (NASS) protocol and provide a fair sample of serious crashes involving passenger vehicles in the United States. In-depth data were collected and evaluated on the condition of the vehicles, the crash scene, roadway conditions, driver behaviors and situational factors at the time of the crash. Investigators used an 11 step process to evaluate the crash, determine the primary cause of each crash, and uncover contributing factors. Crash causes were attributed to either driver behavior or other causes. In 717 of the 723 crashes investigated (99%), a driver behavioral error caused or contributed to the crash. Of the 1284 drivers involved in these crashes, 732 drivers (57%) contributed in some way to the cause of their crashes. There were six causal factors associated with driver behaviors that occurred at relatively high frequencies for these drivers and accounted for most of the problem behaviors. |
| 总页数： | 42p |
| 报告类型： | 科技报告 |
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