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    Estimation of Urban Transportation Network Capacity Considering Traveler Road Preferences

    Source: Journal of Urban Planning and Development:;2012:;Volume ( 138 ):;issue: 002
    Author:
    Zhenke Luo
    ,
    Yue Liu
    ,
    Jie Yu
    DOI: 10.1061/(ASCE)UP.1943-5444.0000109
    Publisher: American Society of Civil Engineers
    Abstract: Network capacity is one of the most important ways to measure the transportation system’s capacity to accommodate traffic demand. This paper presents an approach to estimate the capacity of urban transportation network considering more realistic traveler route choices. Different from previous studies, this research introduces a set of determinants that may reflect realistic traveler route choices including not only travel times but also traveler preferences (e.g., road familiarity, road configuration). This study formulates the route choice model with the new set of determinants and incorporates it into the network capacity model. An improved iterative assignment approach is designed to solve the network capacity model in which unrealistic detours by travelers will be eliminated. The proposed model and algorithm are applied in a test network; numerical results have revealed that the proposed model is not only capable of realistically estimating the network capacity under various levels of service, but also identifying critical links that are neglected by traditional approaches. Research findings offer guidelines for transportation agencies in preparing better and more pertinent management strategies to accommodate various traffic demand situations.
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      Estimation of Urban Transportation Network Capacity Considering Traveler Road Preferences

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    http://yetl.yabesh.ir/yetl1/handle/yetl/69780
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    contributor authorZhenke Luo
    contributor authorYue Liu
    contributor authorJie Yu
    date accessioned2017-05-08T22:02:51Z
    date available2017-05-08T22:02:51Z
    date copyrightJune 2012
    date issued2012
    identifier other%28asce%29up%2E1943-5444%2E0000152.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/69780
    description abstractNetwork capacity is one of the most important ways to measure the transportation system’s capacity to accommodate traffic demand. This paper presents an approach to estimate the capacity of urban transportation network considering more realistic traveler route choices. Different from previous studies, this research introduces a set of determinants that may reflect realistic traveler route choices including not only travel times but also traveler preferences (e.g., road familiarity, road configuration). This study formulates the route choice model with the new set of determinants and incorporates it into the network capacity model. An improved iterative assignment approach is designed to solve the network capacity model in which unrealistic detours by travelers will be eliminated. The proposed model and algorithm are applied in a test network; numerical results have revealed that the proposed model is not only capable of realistically estimating the network capacity under various levels of service, but also identifying critical links that are neglected by traditional approaches. Research findings offer guidelines for transportation agencies in preparing better and more pertinent management strategies to accommodate various traffic demand situations.
    publisherAmerican Society of Civil Engineers
    titleEstimation of Urban Transportation Network Capacity Considering Traveler Road Preferences
    typeJournal Paper
    journal volume138
    journal issue2
    journal titleJournal of Urban Planning and Development
    identifier doi10.1061/(ASCE)UP.1943-5444.0000109
    treeJournal of Urban Planning and Development:;2012:;Volume ( 138 ):;issue: 002
    contenttypeFulltext
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