Naturalistic Driving Study: Field Data Collection (2014) / Chapter Skim
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6Study Centers and Study Design Study Center Designations The six NDS data collection study centers were selected by a SHRP 2 Expert Task Group (ETG) formed for this purpose.
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8of most interest to the study and so initially did not qualify. The types of media and outreach that worked with younger drivers were quite different from those that worked with older drivers, and recruiting approaches that were successful in urban areas were often not as successful in rural areas.
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9NDS. VTTI developed the DAS which continuously recorded data while the participant vehicle was operating (Antin et al.
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10 timeline of Start-Up Activities at Each Study Center Before initiating the installation of DAS equipment into participant vehicles, each study center needed to complete a number of critical start-up activities. These activities included submitting IRB applications and obtaining approvals, preparing installation facilities, training installation technicians, obtaining recruit information, and scheduling recruits for installations.
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11 Table 2.4 provides a geographic description of how the recruitment areas were defined for each study center and lists some of the unique features of each area. Table 2.5 provides the geographic size of water and land areas within each study center area.
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12 Table 2.5. Geographic Size of Study Center Areas Study Center County Percentage of County in Study Water Area (sq.
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13 town name)
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14 Figure 2.5. Bloomington study area.
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15 Figure 2.7. Durham study area.
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16 Figure 2.10. Tampa study area.
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17 Table 2.6. Study Center Area Population by Gender in U.S.
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18 in Appendix B: Table B.1 and Table B.2 provide population by race and household income (all ages included) ; Table B.3 summarizes education attainment by gender for populations over 25 years of age.
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19 Table 2.7. Historical Data on Number of Drivers in Injury and Fatal Crashes in Each Study Center Area by SHRP 2 Age Group (2010)
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20 Table 2.8. Roadway Lengths for Primary, Secondary, and Local Roadways by Census Feature Class Codes (CFCC)
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21 Table 2.9. State Highway Safety Laws Applicable in Each Study Center Area Type of Law Bloomington (Indiana)
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22 Table 2.9. State Highway Safety Laws Applicable in Each Study Center Area (continued)
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