【作者】 哈富； 韩皓；

【机构】 上海海事大学交通运输学院；

【摘要】 城市交通的文明程度、生态环境的优劣、交通结构合理与否,很大程度体现在对慢行交通的处理上。交叉口是城市道路交通系统的关节点,当前普遍采用信号控制,处理好交叉口处快慢交通信控方式更为重要。论文以城市中最为广泛的两相位信号交叉口为例,结合交叉口信号控制设计,分析交叉口处机动车、行人及自行车交通流特性。在将混行的慢行交通均折算为行人基础上,采用时空消耗法,计算城市信号交叉口人行横道的通行能力及利用率,提出先左转后直行的相序安排方式以提高交叉口处人行横道通行能力,并应用仿真软件SYNCHRO对改善效果进行评价。研究结论对交叉口规划、设计和管理有一定的实际指导价值。更多还原

【Abstract】 The treatments of slow traffic are largely reflections of the level of civilization of urban transportation system,the quality of the ecological environment and the rationality of traffic structure. This paper takes the most widely applied two-phase signalized intersections in urban for example,analysis the characteristics of motor vehicle and pedestrian/bicycle traffie flow in the signalized intersec- tion based on the design of the signal control.After converting the mixed slow traffic flow into pedestrian traffic slow,it uses the time-space occupancy method to calculate the capacity and utilization of the pedestrian crosswalk at signalized intersection.It proposes that the turn left phase is first and the straight phase is second in the signal phase sequence to improve the capacity and use simulation software SYNCHRO in order to evaluate the effects of the methods.Conclusions in this paper have some theoretical and practical guidance value for the planning,design and management of intersection.更多还原