交通信息与安全2023，Vol.41Issue(5)：54-63,10.DOI:10.3963/j.jssn.1674-4861.2023.05.006
含可变导向车道交叉口的车道功能与信号控制协同优化方法
A Method for Collaborative Optimization of Lane Functions and Signal Control at Intersections with Variable Approach Lanes
摘要
Abstract
As a flexible traffic organization method,the variable approach lane can dynamically adjust the lane func-tion of the entrance lane to improve the intersection traffic efficiency.However,in the actual operation,the variable approach lane switching only between straight and left lanes has the problem of insufficient utilization of time and space resources.Therefore,a cooperative optimization method of lane function and signal control that can switch be-tween straight,left-turn and straight-left combined lanes is studied.Based on the real-time traffic flow data of the in-tersection,the method judges the lane function switching which takes into account various indicators such as inter-section delay,switching time intervals,and traffic demand stability.This judgment facilitates the dynamic optimiza-tion of lane function and signal control.The lane departure flow rate correction factor for intersections with variable approach lane is introduced to improve the delay formula,taking into account the relationship between lane function and signal phase,and an optimization model based on the phase matrix is established to minimize the average vehi-cle delay to determine the appropriate lane function,phase and signal timing scheme.The simulation environment is conducted using VISSIM software,and verification of the simulation is carried out using the intersection of Jianshe Avenue and Xinhua Road in Wuhan as a case study.The experimental results show that,compared to the timed con-trol method where lane functions switch exclusively between straight and left-turns,the average delay of vehicles at the intersection is reduced by 9.2%—12.5%,the average delay of the intersection from the approaching with vari-able approach lane is reduced by 10.8%—25%,and the average queue length is reduced by 9.8%—12.3%when uti-lizing the lane function and signal control coordinated optimization method that switches between straight,left,and straight-left combined lanes.关键词
交通控制/交叉口/可变导向车道/协同优化/动态控制Key words
traffic control/intersection/variable approach lane/collaborative optimization/dynamic control分类
交通工程引用本文复制引用
李雪梅,张存保,曹雨,秦瑞阳..含可变导向车道交叉口的车道功能与信号控制协同优化方法[J].交通信息与安全,2023,41(5):54-63,10.基金项目
国家重点研发计划项目(2020YFB1600500)资助 （2020YFB1600500）
