A roadway departure (RwD) crash is defined by the Federal Highway Administration as a crash in which a vehicle crosses an edge line, a centerline, or otherwise leaves the traveled way. These crashes, comprised of run-off-road (ROR) and cross-median/cross-centerline head-on collisions, tend to be more severe than other crash types. The reasons for ROR events are varied and include the driver attempting to avoid a vehicle, an object, or an animal in the travel lane; inattentive driving due to distraction, fatigue, sleep, or drugs; the effect of weather on pavement conditions; and traveling too fast through a curve or down a grade. This paper intends to provide a brief overview of a series of cost-effective improvements as an easy-to-read resource for preventing vehicle departures from roadways. This article summarizes a recent publication by the American Traffic Safety Services Association that can help transportation agencies better understand the effectiveness of each RwD safety countermeasure and prioritize the implementation of countermeasures.


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    Title :

    Overview of Safety Countermeasures FOR Roadway Departure Crashes


    Contributors:

    Published in:

    ITE journal ; 86 , 2


    Publication date :

    2016



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    BKL:    55.00 Technik der Verkehrsmittel, Verkehrswesen: Allgemeines
    Local classification TIB:    770/7010




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