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Bi-objective optimization models for mitigating traffic congestion in urban road networks

Journal of traffic and Transportation Engineering(English Edition) 2023年第1期10卷 86-103页

作者： Haritha Chellapilla R.Sivanandan Bhargava Rama Chilukuri Chandrasekharan Rajendran Transportation Engineering Division Department of Civil EngineeringIndian Institute of Technology MadrasChennai 600036India Department of Management Studies Indian Institute of Technology MadrasChennai 600036India

traffic congestion in road transportation networks is a persistent problem in major metropolitan cities around the *** this context,this paper deals with exploiting underutilized road capacities in a network to lower the congestion on overutilized links while simultaneously satisfying the system optimal flow assignment for sustainable *** congestion mitigation strategies are identified based on deviation and relative deviation of link volume from the corresponding ***,four biobjective mathematical programming optimal flow distribution(OFD)models are *** case study results demonstrate that all the proposed models improve system performance and reduce congestion on high volume links by shifting flows to low volumeto-capacity links compared to UE and SO *** the models,the system optimality with minimal sum and maximum absolute relative-deviation models(SO-SAR and SO-MAR)showed superior results for different performance *** SO-SAR model yielded 50%and 30%fewer links at higher link utilization factors than UE and SO models,***,it showed more than 25%improvement in path travel times compared to UE travel time for about 100 paths and resulted in the least network congestion index of1.04 compared to the other OFD and UE ***,the SO-MAR model yielded the least total distance and total system travel time,resulting in lower fuel consumption and emissions,thus contributing to *** proposed models contribute towards efficient transportation infrastructure management and will be of interest to transportation planners and traffic managers.

关键词： traffic congestion mitigation Sustainability Bi-objective optimization Optimal flow distribution models Urban road networks

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