城市互通立交交织区交通运行特性研究  

Study on Traffic Operation Characteristics of Urban Interchange Weaving Section

作　　者：杨旻皓 YANG Min-hao(Shanghai Urban Construction Design&Research Institute(Group)Co.,Ltd.,Shanghai 200125,China)

机构地区：[1]上海市城市建设设计研究总院(集团)有限公司,上海200125

出　　处：《中国市政工程》2022年第5期24-27,119,共5页China Municipal Engineering

摘　　要：城市互通立交交织区由于车辆间的相互影响复杂、车速稳定性较差,成为了制约交通安全的瓶颈路段。为明确城市互通立交交织区的交通运行特性,利用交织区多人模拟驾驶试验获得的车辆轨迹数据,从速度、跟驰和换道行为表征交织区运行特性。首先,根据上海市北虹立交建立互通立交BIM模型,并基于Unreal虚幻平台进行交织区真实交通流场景还原;其次,制订交织区多人模拟驾驶试验方案,获取交织区多个车辆的轨迹数据;最后,分析交织区的速度特性、车辆跟驰特性、车辆换道特性,揭示交织区车辆运行规律。Because of the complex interaction between vehicles&the poor speed stability,urban interchange weaving section has become the bottleneck of traffic safety.In order to clarify the traffic operation characteristics of the urban interchange weaving segment,the vehicle track data obtained from the multi-person driving simulation test in the weaving segment are used to characterize the operation characteristics of the weaving segment from the speed,car following&lane changing behavior.Firstly,the BIM model of interchange is established according to Shanghai Beihong Interchange,and the real traffic flow scene in the weaving section is restored based on the unreal virtual platform;secondly,a multi-person driving simulation test plan is formulated to obtain the track data of multiple vehicles in the weaving segment;finally,the speed characteristics,car following characteristics&lane changing characteristics of vehicles in the weaving section are analyzed to reveal the vehicle operation rules in the weaving section.

关 键 词：互通立交 交织区 交通运行特性 多人模拟驾驶 

分 类 号：U491.23[交通运输工程—交通运输规划与管理]