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Optimizing Traffic Organization in Urban Intersections: A Simulation Study

机译：优化城市交叉口交通组织的模拟研究

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As important nodes on urban roads, intersections are prone to cause traffic jams and chaos. Therefore, the traffic organization of intersection is closely related to the overall performance level of the urban road net. It's necessary to improve traffic organization of existed intersections, so that the capacity of at-grade intersections can be enhanced, the traffic congestion of urban roads can be alleviated, to a certain degree. This research includes two major parts. The first part is studying the theories about timing signal control based on the running mechanism of at-grade intersection's traffic flow from the perspective of both time and space, in order to find efficient ways to optimize intersection's traffic organization. The second part is conducting a further optimization and modification on road channelization and signal control combining the above-mentioned theory with current status, eventually establishing a feasible and effective scheme. The following step is applying the micro traffic simulation software VISSIM to evaluate the present traffic of the XiYing Road-XiYan Road intersection in Xi'An based on relevant data.
机译：作为城市道路上的重要节点，十字路口容易造成交通拥堵和混乱。因此，十字路口的交通组织与城市路网的整体性能水平密切相关。有必要改善既有交叉口的交通组织，以提高平交路口的通行能力，在一定程度上减轻城市道路的交通拥堵。这项研究包括两个主要部分。第一部分从时间和空间的角度研究基于路口交叉口交通流运行机制的定时信号控制理论，以期找到优化交叉口交通组织的有效途径。第二部分结合上述理论和现状，对道路信道化和信号控制进行进一步的优化和修改，最终建立可行可行的方案。接下来的步骤是应用微交通仿真软件VISSIM根据相关数据评估西安西营路与西延路交叉口的当前交通。

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