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入口匝道控制是高速道路交通管理与控制的重要方法。对国外高速道路入口匝道的交通机理和控制方法进行系统分析和总结,重点对国外典型的多匝道动态协调控制算法进行论述,并对今后的研究方向提出展望。最后结合国内的实际情况,从交通量、几何线形、通道控制、协调配合、政策制定、仿真评价等方面对入口匝道控制在国内的相关工程应用做了初步探索。
In-ramp control is an important method of expressway traffic management and control. This paper systematically analyzes and summarizes the traffic mechanism and control method of the on-ramp of the expressway at home and abroad. The paper focuses on the typical multi-ramp dynamic coordinated control algorithm in foreign countries, and puts forward the prospect of future research directions. Finally, according to the actual situation in our country, this paper makes a preliminary exploration on the related engineering application of entrance ramp control in China from the aspects of traffic volume, geometrical linearity, access control, coordination and cooperation, policy making and simulation evaluation.