Application of Traffic Weighted Multi-Maps Based on Disjoint Routing Areas for Static Traffic Assignment

IF 2.5 4区 综合性期刊 Q2 CHEMISTRY, MULTIDISCIPLINARY Applied Sciences-Basel Pub Date : 2023-09-06 DOI:10.3390/app131810071
Alvaro Paricio-Garcia, Miguel A. López-Carmona
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引用次数: 1

Abstract

Urban traffic congestion is a pressing issue, demanding effective and cost-efficient solutions. This paper develops the Traffic Weighted Multi-Maps (TWM) method to solve the Traffic Assignment Problem in Intelligent Transportation Systems (ITS). TWM offers drivers diverse views of the network, promoting path diversity and adaptability. Providing an optimal TWM configuration to the traffic demand in terms of structure and allocation policy is a challenging issue as it usually depends on the size of the network and its complexity. The paper explores TWM generation and assignment by applying routing areas based on semi-disjointed k-shortest paths and allocating them using a per-sub flow optimized assignment policy. This approach allows obtaining a pseudo-optimal solution for static traffic assignment with similar results in terms of total travel time compared to the direct solution of calculating optimal map weights and the theoretical system optimum. It offers a cost-effective solution valid for wide urban areas, as the TWM calculation depends on the variety of the traffic flows and the number of semi-disjoint routing areas considered instead of the network complexity and size. Urban network experiments with synthetic traffic demands are studied under different TWM adoption rates, comparing results with existing traffic assignment policies and estimation methods. It highlights its potential for enhancing urban traffic management. Overall, TWM presents a promising approach to addressing urban traffic congestion efficiently.
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基于非联合路由区域的交通加权多地图在静态交通分配中的应用
城市交通拥堵是一个紧迫的问题,需要有效和经济的解决方案。针对智能交通系统中的交通分配问题,提出了交通加权多地图(TWM)方法。TWM为驾驶员提供了不同的网络视图,促进了路径的多样性和适应性。在结构和分配策略方面为流量需求提供最优的TWM配置是一个具有挑战性的问题,因为它通常取决于网络的规模和复杂性。本文通过应用基于半不相交k-最短路径的路由区域,并使用每子流优化分配策略对TWM的生成和分配进行了探讨。这种方法可以获得静态交通分配的伪最优解,与计算最优地图权重和理论系统最优的直接解相比,在总行程时间方面具有相似的结果。它提供了一个经济有效的解决方案,适用于广泛的城市地区,因为TWM的计算取决于交通流的变化和考虑的半不连接路由区域的数量,而不是网络的复杂性和规模。研究了不同TWM采用率下具有综合交通需求的城市网络实验,并与现有的交通分配策略和估计方法进行了比较。它突出了它在加强城市交通管理方面的潜力。总体而言,TWM提供了一种有效解决城市交通拥堵的有前途的方法。
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来源期刊
Applied Sciences-Basel
Applied Sciences-Basel CHEMISTRY, MULTIDISCIPLINARYMATERIALS SCIE-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
5.30
自引率
11.10%
发文量
10882
期刊介绍: Applied Sciences (ISSN 2076-3417) provides an advanced forum on all aspects of applied natural sciences. It publishes reviews, research papers and communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files and software regarding the full details of the calculation or experimental procedure, if unable to be published in a normal way, can be deposited as supplementary electronic material.
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