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大城市周边高速公路收费站是连接主辅路交通的瓶颈处,在分析收费站通行效率模型后,采用VISSIM仿真软件对G6回龙观收费站周边交通进行研究。首先对收费站交通属性参数进行标定,进而利用信号灯模拟车辆通过收费站的通行时间,建立适用于大城市周边高速公路收费站交通优化仿真模型。最后结合实测交通状况标定回龙观收费站仿真模型参数,对比分析仿真数据,探究回龙观收费站周边交通拥堵机理,优化仿真模型,达到减少车辆延误,优化收费站通行效率的目的。
The highway toll station around metropolitan is the bottleneck connecting the traffic of main and auxiliary roads. After analyzing the toll station’s traffic efficiency model, VISSIM simulation software is used to study the traffic around G6 Huilongguan toll station. Firstly, the traffic attribute parameters of toll booths are calibrated, and then the traffic lights are simulated to simulate the passing time of vehicles passing toll booths, and a traffic simulation model is established for the toll stations around the big cities. In the end, the parameters of the simulation model of Longguan toll station are calibrated with the measured traffic conditions. The simulation data are compared and analyzed. The traffic jam around Huilongguan toll station is explored and the simulation model is optimized to reduce the vehicle delay and optimize the toll pass efficiency.