Abstract Introduction Driver fatigue has been a major contributing factor to fatal commercial truck crashes, which accounted for about 10% of all fatal motor vehicle crashes that happened between 2009 and 2011. Commercial truck drivers' safety performance can deteriorate easily due to fatigue caused by long driving hours and irregular working schedules. To ensure safety, truck drivers often use off-duty time and short rest breaks during a trip to recover from fatigue. Method This study thoroughly investigates the impacts of off-duty time prior to a trip and short rest breaks on commercial truck safety by using Cox proportional hazards model and Andersen–Gill model. Results It is found that increasing total rest-break duration can consistently reduce fatigue-related crash risk. Similarly, taking more rest breaks can help to reduce crash risk. The results suggest that two rest breaks are generally considered enough for a 10-hour trip, as three or more rest breaks may not further reduce crash risk substantially. Also, the length of each rest break does not need to be very long and 30min is usually adequate. In addition, this study investigates the safety impacts of when to take rest breaks. It is found that taking rest breaks too soon after a trip starts will cause the rest breaks to be less effective. Practical applications The findings of this research can help policy makers and trucking companies better understand the impacts of multiple rest-break periods and develop more effective rules to improve the safety of truck drivers.

    Highlights Increasing number of rest breaks or their duration helps to reduce crash risk. For each rest break, 30min is usually sufficient for recovering from fatigue. Taking rest breaks too soon after a trip starts causes them to be less effective. The additional safety benefit for off-duty time longer than 11h is trivial.


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    Titel :

    The impacts of multiple rest-break periods on commercial truck driver's crash risk


    Beteiligte:
    Chen, Chen (Autor:in) / Xie, Yuanchang (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2013-12-05


    Format / Umfang :

    7 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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