Many factors are associated with crash risk, but their contribution to the progression of a crash is often unclear. Research on and understanding of the crash sequence are needed. One of the advantages of studying crash sequence is to identify the causative chain of crashes and, subsequently, the identification of effective countermeasures that may feasibly mitigate crash risk. An analogy to epidemiological studies is particularly useful: although researchers confirm that many factors are associated with an increase in the probability of myocardial infarction, there is still a need to research the disease process, the physiological process that promotes disease growth, and the possible interventions to treat or even prevent the disease. This study used data from the Integrated Vehicle-Based Safety System program. Two freeway rear-end events, including one crash and one near crash, with similar crash sequences were studied. The crash sequences of the two events were as follows: ( a) the drivers maintained a temporal headway of less than 1 s at the beginning; ( b) the traffic flow conditions were likely to cause misjudgments by the drivers and result in glances in inappropriate directions; ( c) when the drivers were distracted, the leading vehicle decelerated; ( d) the drivers did not decelerate accordingly and had their feet on the accelerator pedal; and ( e) one event resulted in a crash and the other in a near crash. This study highlighted an approach for comparing and dissecting the differences in the crash sequence that led to the different outcomes.


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    Titel :

    Method for the Use of Naturalistic Driving Study Data to Analyze Rear-End Crash Sequences


    Weitere Titelangaben:

    Transportation Research Record


    Beteiligte:
    Wu, Kun-Feng (Autor:in) / Thor, Craig P. (Autor:in)


    Erscheinungsdatum :

    2019-04-04




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch