Analysis of Naturalistic Driving Study Data: Safer Glances, Driver Inattention, and Crash Risk (2014) / Chapter Skim
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Pages 102-110
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102 C h a p t e r 9 This chapter focuses on answering the detailed research questions first and then, the main research question. What are the most dangerous glances away from the road, and what are safer glances?
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103 max.off and m.uncertainty metrics used individually. Note that the Off3to1 metric is equivalent to the metric Percent Road Center (PRC)
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104 naturalistic driving, the chances are greater that the eyes are on the forward path when a lead vehicle brakes, thus disabling the key mismatch mechanism behind Category 1 rear-end crashes (further discussed below)
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105 followed a similar pattern. But here the driver looked away when the vehicles were already closing, often because of visibility problems that presumably impaired looming detection.
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106 Current HMI guidelines provide a mix of design and performance guidelines. Problems associated with current guidelines, as well as standards developed around the world, were reviewed in Regan, Lee, and Young (2008)
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107 the 12-second window (mean single glance duration and mean level of uncertainty) were supported.
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108 based on the driver's attention state and the traffic environment. For example, in some cases with relatively low kinematic threat level, a warning might still be warranted if the driver is very distracted; inversely, an attentive driver might not need a warning even if the kinematic threat level is high (for more information, see Engström and Victor 2008)
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109 naturalistic driving studies, that some activity types significantly increase risk (such as Texting and Portable Electronics Visual-Manual)
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110 decision making, novel sequences of action, or inhibiting habitual responses) rather than the more automatic reaction to a looming lead vehicle.
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