Optimal operation of displaced left-turn intersections: A lane-based approach

Optimal operation of displaced left-turn intersections: A lane-based approach
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移位左转路口的优化运行:基于车道的方法

DOI:
10.1016/j.trc.2015.10.012
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发表时间:
2015-12
影响因子:
8.3
通讯作者:
Yang Xiaoguang
Yang Xiaoguang
中科院分区:
工程技术1区
文献类型:
--
作者:
Zhao Jing;Ma Wanjing;Head K. Larry;Yang Xiaoguang

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错位式左转交叉口解决了前信号灯处左转与对向通行的冲突,是应用最广泛的交叉口设计创新。根据左转过渡区的位置、DLT引道的数量和可能设置的绕行右转车道,DLT交叉口概念可以扩展为十种不同的类型。本文提出了一种基于车道的广义优化模型,用于DLT交叉口类型、车道标线、左转车道长度和信号配时的综合设计。最优化被配制成一个混合整数非线性规划。该方案进一步转化为一系列的混合整数线性规划问题,可以解决的标准分支定界技术。大量的数值分析结果表明,所提出的方法的有效性,以及协助交通专业人员在适当选择DLT交叉口类型,几何布局和信号配时的设计有前途的财产。
Displaced left-turn (DLT) intersections that resolve the conflict between left-turn and opposing-through movements at the pre-signal are probably the most extensively used innovative intersection designs. The DLT intersection concept can be extended to ten different types according to the location of the left-turn transition area, the number of DLT approaches, and the possible setting of the bypass right-turn lane. This paper presents a generalized lane-based optimization model for the integrated design of DLT intersection types, lane markings, the length of the displaced left-turn lane, and the signal timings. The optimization is formulated as a mixed-integer non-linear program. This program is further transformed to a series of mixed-integer linear programming problems that can be solved by the standard branch-and-bound technique. Results from extensive numerical analyses reveal the effectiveness of the proposed method, as well as the promising property of assisting transportation professionals in the proper selection of DLT intersection types, and the design of geometric layout and signal timings.
DOI: 10.1080/18128602.2012.672344
发表时间: 2013-11
期刊: Transportmetrica A: Transport Science
影响因子: --
作者:
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通讯作者: Mohamed El Esawey;T. Sayed
DOI: --
发表时间: 1971-06
期刊: Traffic engineering and control
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