Highlights ► Gasoline prices are one type of capability constraint of space–time paths. ► As gasoline prices (capability constraint) increase, traffic safety improves. ► The impact is stronger on less severe crashes but negligible on fatal crashes. ► The impact starts at 9months, peaks at 12months, and diminishes after 18months.

    Abstract The impact of gasoline price changes on traffic safety has received increasing attention in empirical studies. In this study, we use time geography to provide a theoretical framework for examining the effects of time-varying fluctuations in gasoline prices and their relationship to traffic safety in a case study of Mississippi from April 2004 to December 2010. Application of time geography theory suggests that gasoline prices act as one type of capability constraint of the space–time path. As gasoline prices increase (that is, as the capability constraint becomes stronger), we hypothesize traffic crash rates decrease, and they decrease more for groups for whom the constraint is stronger. The results corroborate the hypotheses and suggest that gasoline prices have stronger effects on reducing less severe crashes and negligible effects on reducing fatal crashes. Gasoline price effects on reducing crashes start at a 9-month lag, peak at a 12-month lag, and diminish after an 18-month lag.


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    Titel :

    The impact of gasoline price changes on traffic safety: a time geography explanation


    Beteiligte:
    Chi, Guangqing (Autor:in) / Porter, Jeremy R. (Autor:in) / Cosby, Arthur G. (Autor:in) / Levinson, David (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2012-01-01


    Format / Umfang :

    11 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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