Initial Analyses from the SHRP 2 Naturalistic Driving Study: Addressing Driver Performance and Behavior in Traffic Safety (2013) / Chapter Skim
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Pages 15-19
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15 CHAPTER 4 Car Following, Driver Distraction, and Capacity-Reducing Crashes on Congested Freeways: An Investigation Using the SHRP 2 Naturalistic Driving Study Gary A Davis, John Hourdos, and Indrajit Chatterjee (University of Minnesota)
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16 2. What is the potential for an idealized driver-assist system to reduce the likelihood of critical events?
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17 Figure 4.1. Speeds of a leading and following vehicle versus time, showing the time point at which the leader began braking and the time interval during which the follower looked down to adjust a radio.
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18 with more detailed estimates of the acceleration/deceleration sequences used by the leader and the follower. This was done through detailed modeling of the leader and follower trajectories, using the NDS forward radar, speedometer, and GPS speed time-series data.
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19 for that driver causing a critical event, and to illustrate how cluster analysis can be used to classify the elements characterizing braking events. Regarding possible countermeasures, the example dataset was used to predict the effect a vehicle-based countermeasure might have on the incidence of critical events, and to estimate specifications or constraints that a road-based countermeasure would need to satisfy to achieve a target change in the likelihood of critical events.
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