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    Safety Evaluation for Signalized Intersections Using GIS Techniques and Statistic Analysis

    Safety Evaluation for Signalized Intersections Using GIS Techniques and Statistic Analysis


    This paper presents a systematic GIS-based method to identify and evaluate signalized intersections for purposes of transportation safety planning. The intersections were analyzed and compared based on the crash average hazard index which is the average of five safety measures: total number of crashes, total number of injury and fatal crashes, total crash exposure rate, injury/fatal exposure rate, and weighted hazard index (WHI). The GIS technique along with statistics analysis is utilized to estimate the signalized intersection’s risk distribution in terms of the averaged hazard index. It results in priority ranking of signalized intersections from the most dangerous to the least dangerous hazard levels. The method and results can assist engineers, planners and decision-makers in identifying critical intersections with potential for safety improvement.

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    Titel :

    Safety Evaluation for Signalized Intersections Using GIS Techniques and Statistic Analysis

    Beteiligte:
    Zhang, Cui-Ping (Autor:in) / Yan, Xue-Dong (Autor:in) / An, Mei-Wu (Autor:in) / Wang, Bin (Autor:in) / Zhao, Hui (Autor:in)
    Erschienen in:

    CEABM, International Conference on Civil Engineering, Architecture and Building Materials, 2 ; 2725-2730

    Applied Mechanics and Materials ; 178-181

    Erscheinungsdatum :

    2012

    Format / Umfang :

    6 Seiten

    ISSN :

    1660-9336

    DOI :

    https://doi.org/10.4028/www.scientific.net/AMM.178-181.2725

    Medientyp :

    Aufsatz (Konferenz)

    Format :

    Print

    Sprache :

    Englisch

    Schlagwörter :

    Straßenknotenpunkt , statistische Analyse , Sicherheitsmaßnahme , Verkehrssicherheit , Entscheidungshilfe

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