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    Urban Road Traffic Impedance Function—Dalian City Case Study

    Source: Journal of Highway and Transportation Research and Development (English Edition):;2014:;Volume ( 008 ):;issue: 003
    Author:
    He Nan
    ,
    Zhao Sheng-chuan
    DOI: 10.1061/JHTRCQ.0000402
    Publisher: American Society of Civil Engineers
    Abstract: The typical U.S. Bureau of Public Roads (BPR) volume-delay function is modified to construct the more suitable model to China’s road traffic situation. Factors influencing road traffic impedance, such as the number of lanes, speed limit, intersection density, bus stop density, saturation and congestion are considered. On the basis of actual data collected from different main roads in Dalian city, traffic impedance functions for different road types (expressway, trunk road, secondary trunk road and slip road) are calculated using SPSS software. The results analysis of the traditional and improved BPR volume-delay functions is compared to certify the useful improved BPR volume-delay function. To apply road traffic impedance to the traditional four-step model, we calculate the daily conversion coefficients. These reflect the relationship between hourly traffic impedance and daily impedance function and suggest the suitable usage of daily conversion coefficients in further research.
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      Urban Road Traffic Impedance Function—Dalian City Case Study

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    http://yetl.yabesh.ir/yetl1/handle/yetl/80415
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    contributor authorHe Nan
    contributor authorZhao Sheng-chuan
    date accessioned2017-05-08T22:25:34Z
    date available2017-05-08T22:25:34Z
    date copyrightSeptember 2014
    date issued2014
    identifier other44452390.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/80415
    description abstractThe typical U.S. Bureau of Public Roads (BPR) volume-delay function is modified to construct the more suitable model to China’s road traffic situation. Factors influencing road traffic impedance, such as the number of lanes, speed limit, intersection density, bus stop density, saturation and congestion are considered. On the basis of actual data collected from different main roads in Dalian city, traffic impedance functions for different road types (expressway, trunk road, secondary trunk road and slip road) are calculated using SPSS software. The results analysis of the traditional and improved BPR volume-delay functions is compared to certify the useful improved BPR volume-delay function. To apply road traffic impedance to the traditional four-step model, we calculate the daily conversion coefficients. These reflect the relationship between hourly traffic impedance and daily impedance function and suggest the suitable usage of daily conversion coefficients in further research.
    publisherAmerican Society of Civil Engineers
    titleUrban Road Traffic Impedance Function—Dalian City Case Study
    typeJournal Paper
    journal volume8
    journal issue3
    journal titleJournal of Highway and Transportation Research and Development (English Edition)
    identifier doi10.1061/JHTRCQ.0000402
    treeJournal of Highway and Transportation Research and Development (English Edition):;2014:;Volume ( 008 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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