Transit Priority Performance at Signalised Junctions

来源 :第五届交通运输领域国际学术会议 | 被引量 : 0次 | 上传用户:caifei123456
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
In order to reduce transit (bus or tram) delays at intersections and protect them from the effects of growing traffic congestion and hence make them more attractive and more reliable, the transit priority strategy (such as transit lane concept and transit priority treatment measures) is widely applied at signalized junctions.As each signalised junction is different, the same bus priority method may give different results. It is quite difficult to quantify the transit priority performance and its consequences in a general way. Based on experiences of junction geometry design, signal design with transit priority treatment and controller programming for more than fifty signalised junctions in Geneva, the author tries to develop a method to evaluate quantitatively transit priority performance and to estimate its impact on non - transit traffic in junction geometry design and junction signal design.In the junction geometry design step, two new definitions, "transit greenable length" and "transit priority performance ratio", are introduced. It is shown that the average transit delay depends on them and formulas to estimate the average transit delays (without transit priority treatment) are developed. Then the transit priority performance of "transit lane concept" at a signalised junction is analysed.In the junction signal design step, different transit priority treatment measures can be applied so that the signal green interval for a transit movement matches the transit arriving interval and the transit delay will be minimised. Trie choice of transit priority treatment measures in different signal designs is discussed.In summary, a good junction geometry design taking account of transit priority performance will limit transit average delay. A good signal design combined with a good junction geometry design and suitable transit priority treatments may considerately decrease transit delay.Therefore a high-transit-priority-performance signalised junction should have a high transit priority performance ratio, suitable transit priority treatments and acceptable impact to nontransit traffic. Finally, some further researches are suggested.
其他文献
能源日益紧张,环境亟待改善,如何加快电动汽车的应用推广,实为人们的共同期望.用组合能源装备车辆,将是加快步伐的重要途径.
本文从分析目前轻型电动车和微型汽车产业的发展情况入手,在总结国内外轻型电动车和微型电动汽车的发展经验基础上,指出节约型小康社会环境下的重要交通工具-微型电动汽车将
提出一种适用于地面轨道交通的新型轨道结构——框架式轨枕,并对其进行力学分析,论证了其经济技术的可行性及展望了未来市场前景.
本文简要分析了我国轨道交通网络规划的一般思路,研究了一种可用于轨道交通线网规划与设计的模拟系统——IPLAN/SIMS.
根据莘闵轨道交通线高架桥的设计,丰重介绍了高架桥的整体构思,和一些重要问题的处理办法,并给出部分参考数据.希望对同类设计有一定的借鉴作用.
本文针对城市轨道交通轨道工程与国铁轨道施工的差别,就铁路轨道施工企业参与城市轨道交通铺轨存在的问题及应对措施进行了探讨.
随着城轨运输的发展,如何保证其运行安全,本文作者从调度指挥监控、自动闭塞方式组织运行等方面探讨了保证城市轨道运输安全运行的经验.
目前随着我国汽车保有量的激增,汽车驾驶安全问题日渐重要,围绕人车路系统中的人和路开发车载汽车安全驾驶支持系统得到了广泛的关注。在智能运输系统的交通安全研究中,与汽车安
在分析传统有线网络在高速公路建设期难以实施的基础上,提出了无线网络方案设计的构想。剖析了高速公路建设期无线网络功能需求,结合高速公路建设期的特点,给出了无线网络设备选
Bulky cargo transportation problem is so complex that it is affected by many factors. Generally speaking, large quantity, long distance and limited time are the