摘要随着社会经济的发展、城市化进程的加快和机动车辆的迅猛增加，城市交通问题日益严重。

城市主干道是城市交通的主要承担者，因此对城市主干道的交通组织优化研究是缓解和改善城市交通的主要内容。

论文以城市主干道为研究对象，对城市主干道交通组织优化中最主要的交通渠化和交通信号协调控制两个主要方面做若干研究，分别从空间和时间上实现主干道交通流的合理、有效、快速通过。

本文首先对主干道路段交通组织，包括路段行车道组织、行人过街组织、公交组织、路段车速组织等交通组织进行深入分析，给出了路段交通组织优化流程。

城市道路交叉口是城市道路网络的节点，交叉口的交通流如果不能很好的理顺，就会成为主干道路的瓶颈。

论文首先分析了交叉口交通特点，通过对交叉口渠化方法特别是信号交叉口的渠化分析，得到可以通过对交叉口进行时空结合控制的优化思想，来减少交叉口处的交通冲突点，提高路口的通行能力和交通安全性。

本次我的毕业设计课题是由重庆交通大学交通运输学院交通信息与控制专业下达的毕业设计任务书中给出，对菜袁路进行交通组织优化，主要是分析交通流量，渠化交叉口和信号配时，合理设置标志标线等交通工程设施，来缓减交通拥挤、保障交通安全与畅通、降低对环境污染和节约能源，实现安全、畅通、高效及其与环境的协调适应的交通状况。

关键词：城市主干道，交叉口，交通组织优化，交通渠化，信号协调控制- 1 -ABSTRACTAlong with the increasing development of social economy and urbanization, the urban traffic problem has been put outstanding. Urban arterial road is the mainun-dertaker of the urban transportation. Therefore, the study on the traffic organization and optimization should be the major course in solving and impr-oving the urban traffic problem.The dissertation catches the urban arterial road as studying object, makes some researches on the urban main road traffic organization and optimization from two aspects, traffic channelization and traffic signal coordinated control. Firstly, the paper makes a deeply analyses on the traffic organization in main road segment, including the linking section of intersection and roud segment, the roadway, passingstreet for pedestrian, public transportation and road speed. Then,the optimized route guidance prodance procedure for segment traffic is offered.As the node of city road net, intersection would be a bottleneck if its traffic fow not be put in order. Analyzing the traffic charateristica of intersection especially the channelization of signalized intersection, the thesis gives the control idea thatcolli-sion can be deceased and the capability and security can be improved by combining space with time at intersections.The subject of my graduation from the Institute of Traffic and Transportation, Chong qing jiao tong university traffic information and control graduate design tasks assigned by the book is given on the Cai Yuan Road of traffic organizationoptimi-zation, mainly analyze the traffic flow, intersection and highly channelizing signal timing, setting up reasonable sign and marking, transportation engineering facilities to ease traffic congestion, ensuring traffic safety and expedite, and reduce environ-mental pollution and energy conservation, realize safe, expedite, efficient and coor-dinate with environment to traffic condition.Keywords:urban arterial road, intersection, traffic organization and optimi-zation; traffic channelization; coordinated signal control目录第一章绪论......................................................... - 3 -1.1 毕业设计概述................................................. - 3 -1.2 国内外发展状况............................................... - 3 -1.3 毕业设计的指导思想及任务依据................................. - 4 -1.4 设计任务及内容............................................... - 4 -1.5 研究方法..................................................... - 4 - 第二章菜袁路交通调查与问题分析...................................... - 5 -2.1菜袁路概况 ................................................... - 5 -2.2交通总体现状 ................................................. - 5 -2.3标志标线设置现状 ............................................. - 6 -2.4交通管理现状 ................................................. - 6 -2.5交通组织现状 ................................................. - 7 - 第三章交通信号配时.................................................. - 9 -3.1 定时信号配时方案的基本内容................................... - 9 -3.1.1 信号相位方案........................................... - 9 -3.1.2 信号基本控制参数...................................... - 11 -3.2 评价信号控制交叉口的交通效益指标............................ - 13 -3.3 定时信号配时的基本方法...................................... - 15 -3.3.1 定时信号配时设计流程.................................. - 15 -3.3.2 信号相位基本方案...................................... - 15 -3.3.3 设计交通量............................................ - 17 -3.3.4 饱和流量计算.......................................... - 17 -3.3.5 配时参数计算.......................................... - 23 -3.3.6 服务水平评估.......................................... - 25 -3.3.7 具体方案及配时........................................ - 28 - 第四章菜袁路系统交通改善........................................... - 30 -4.1 交通状况改善的基本思路...................................... - 30 -4.2 完善道路交通语言............................................ - 30 -4.2.1 标志设计.............................................. - 31 -4.2.2 标线设计.............................................. - 32 -4.3 科学地协调管理.............................................. - 34 -4.3.1 减少交通总量.......................................... - 34 -4.3.2 加强交管.............................................. - 35 -4.3.3 增设电子警察.......................................... - 36 -4.4 交通组织优化................................................ - 37 -4.4.1 公交车站渠化.......................................... - 37 -4.4.2 无信号控制的交叉口渠化................................ - 37 -4.4.3 信号控制交叉口渠化.................................... - 38 -4.4.4 人行通道渠化.......................................... - 41 - 总结与展望.......................................................... - 43 - 致谢................................................... 错误!未定义书签。