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09-10-07 Item 7D, Clear Channel
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09-10-07 Item 7D, Clear Channel
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9/6/2007 3:04:45 PM
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Item 7D, Clear Channel Signage
General - Type
Agenda Item
Date
9/10/2007
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<br />National Highway Traffic Safety Administrationl Virginia Tech Transportation <br />Institute <br />Impact of Driver Inattention on Near-CrashlCrash Risk: An Analysis Using the <br />100-Car Naturalistic Driving Study Data (Klauer et aI., 2006) 16 <br /> <br />This study analyzed the data from a driving database developed by the National Highway <br />Traffic Safety Administration. This database contained exhaustive data recorded by <br />instrumented vehicles that measured glance position, impairment, drowsiness, risk taking <br />and many other parameters potentially involved in crash causation, Vehicles were <br />instrumented so that an observer did not need to be in the vehicle to collect data. <br />Automated data collection reduced the problem of an observer influencing driver <br />behavior. The study found that glances of two seconds or greater doubled the risk of <br />crashes or near-crashes. The study also found that 22 percent of crashes are accompanied <br />by "secondary-task" distraction whether inside or outside the vehicle. <br /> <br />National Highway Traffic Safety Administrationl Virginia Tech Transportation <br />Institute <br />Driver Inattention is a Major Factor in Serious Traffic Crashes (2001) 17 <br /> <br />The National Highway Traffic Safety Administration commissioned a study to examine <br />the causes of crashes, The study gathered information from four areas throughout the <br />country and used data from the National Automotive Sampling System (NASS) from <br />April 1996-April 1997 for analysis. The geographic areas were selected because they had <br />good crash investigation practices and high interview completion rates. The results of <br />this study are summarized in Table 2. <br /> <br />Table 2, Crash Causation Summary <br /> <br />Percentage of Drivers <br />Contributing to Causation <br />22.7 <br />18.7 <br />18.2 <br />15,1 <br />10,1 <br />6.4 <br />8,8 <br /> <br />Causal Category <br /> <br />Driver Inattention <br />Vehicle Speed <br />Alcohol Impairment <br />Perceptual Errors <br />Decision Errors <br />Incapacitation <br />Other <br /> <br />Association for the Advancement of Automotive Medicine <br />The Role of Driver Inattention in Crashes; New Statistics from the <br />1995 Crashworthiness Data System (Wang, 1996) 18 <br /> <br />This report analyzed the NHTSA 1995 Crash Worthiness Data System (CDS), It found <br />that the greatest source of driver distraction (3,2 percent) was due to a specified person, <br />object or event outside the vehicle. The full results of the study are presented in Table 3. <br /> <br />h-14 <br />
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