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Assessing the Benefits of the Auxiliary Road Metering System

机译：评估辅助道路计量系统的好处

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摘要

This paper established a framework and measures of effectiveness used for assessing the benefits of auxiliary road metering system (ARMS). A case study was performed to assess the actual system deployed in the southern exit of Dongsishitiao Bridge of Beijing 2nd Ring Road. As a result, some conclusions are drawn as follows: 1) in some special time, the ARMS can improve the efficiency and throughout, especially when the traffic demand is high; 2) the auxiliary road users are the loser, they encounter some unavoidable delays. The system can also generate a long queue that may affect other neighboring network and the entrance when the auxiliary road volume is high; 3) not all the vehicles which travel from the mainline to auxiliary road are the winner. Some may benefit from the system, others are not; 4) the control strategy needs to be improved, and the simulation test result shows that the long cycle fixed time control strategy which has long time red cycle and green cycle may worsen the traffic condition under some special traffic demand; and 5) not all system that has been deployed operate effectively, i.e., some investigations should be conducted to clarify the reasons for the exit congestion, traffic demand, and surrounding environment before the system is deployed.
机译：本文建立了用于评估辅助道路计量系统（ARMS）收益的框架和有效性度量。进行了案例研究，以评估在北京二环路东四十条桥南出口部署的实际系统。结果，得出以下结论：1）在特定的时间，ARMS可以提高效率和整体效率，特别是在流量需求较高的情况下; 2）辅助道路使用者是失败者，他们会遇到一些不可避免的延误。当辅助道路通行量很高时，该系统还可能生成可能影响其他邻近网络和入口的长队列。 3）并非所有从干线到辅助道路的车辆都是赢家。有些可以从系统中受益，而另一些则不能。 4）控制策略有待改进，仿真测试结果表明，在某些特殊交通需求下，具有较长的红色周期和绿色周期的长周期固定时间控制策略可能会使交通状况恶化; 5）并非所有已部署的系统都能有效运行，即在部署系统之前，应进行一些调查以弄清出口拥堵，交通需求和周围环境的原因。

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