摘要
城市主干道交通运行情况会对其联系的各个区域产生重要的影响.针对主干道改善研究构建一套基于对策研究、仿真评估的闭环反馈技术路线,首先,针对片区拥堵道路或节点,从出行特征、交通组织、基础设施设计、信号配时等方面分析拥堵原因,并制定相应改善策略;其次,为了验证拥堵原因以及评估改善策略的合理性,构建了精细化的车道级仿真模型,依托现状模型及改善模型进行对比评估,以此验证相应改善策略是否合理,形成一个闭环的评估流程;最后,以深圳市新洲路为例,通过交通大数据对城市主干道与周边联系紧密的片区的职住分析、出行分析,对主干道拥堵成因机理进行剖析,对症下药提出各个路口的交通组织、信号配时等改善方案,并通过微观层面的动态、定量评估,为交通改善方案的评估提供支持,比选最优方案,形成闭环反馈.
The traffic operation of the city's main roads will have an important impact on the various areas it connects.In this paper,a set of closed-loop feedback technology routes based on countermeasure research and simulation evaluation are constructed for the improvement of main roads.Firstly,for the congested roads or nodes in the area,the causes of congestion are analyzed from the aspects of travel characteristics,traffic organization,infrastructure design,and signal timing.and formulate corresponding improvement strategies.Secondly,in order to verify the reason of congestion and evaluate the rationality of the improvement strategy,a refined lane-level simulation model was constructed,and a comparative evaluation was carried out based on the current model and the improvement model to verify whether the corresponding improvement strategy was reasonable,forming a closed-loop evaluation process.Finally,taking Xinzhou Road in Shenzhen as a case,through the traffic big data analysis,the job-housing analysis and travel analysis of the urban arterial road and the surrounding area closely connected,the cause mechanism of the main road congestion is analyzed,and the traffic organization and signal of each intersection are put forward according to the right medicine.Time allocation and other improvement plans,and through dynamic and quantitative evaluation at the micro level,it provides support for the evaluation of traffic improvement plans,compares and selects the best plan,and forms a closed-loop feedback.
作者
许燕青
陈振武
周子益
XU Yanqing;CHEN Zhenwu;ZHOU Ziyi(Shenzhen Urban Transport Planning Center Co.,Ltd,Shenzhen 518000,China)
出处
《交通与运输》
2022年第S01期112-118,共7页
Traffic & Transportation
关键词
城市主干道
出行特征
交通改善
仿真评估
Urban arterial roads
Travel characteristics
Traffic improvement
Simulation evaluation
作者简介
第一作者:许燕青(1989-),女,汉族,福建泉州人,硕士,工程师,主要研究方向:智能交通。
