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基于INTEGRATION的北京西三环公交专用道设置方案研究 被引量:4

Bus Lane Deployment Alternatives on Western 3rd Ring-Road Expressway in Beijing Based on INTEGRATION
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摘要 城市快速路设置公交专用道作为缓解快速路交通拥堵的策略之一,受到了北京市交通部门的关注.本文旨在利用先进的仿真技术对快速路公交专用道设置方案后的交通运行影响进行探讨.文中选取北京市西三环快速路为研究对象,在考虑专用道设置区段、结构形式、站点结构、匝道交通组织以及公交线路调整的基础上,设计四个公交专用道方案并利用INTEGRATION模型开展仿真评价.选取车辆行程速度、道路运行状态分布作为评价指标,结果显示:尽管道路设施及交通状况满足专用道设置条件,西三环运行指标却有所下降,无法发挥专用道功效.分析其关键制约因素在于车辆分道行驶加大了匝道附近车辆换道、进出的难度,建议协调匝道控制和公交线路优化改善方案实施效果. Deploying bus lanes on urban expressways is considered as an important strategy to ease the traffic jam on expressways,which has received increased attention from the government agencies in Beijing.The primary objective of this paper is to use the advanced simulation approach to study the traffic impacts of bus lanes on urban expressways.In this paper,we select the western 3rd ring-road expressway as the study network,and design four bus lane alternatives,considering the deploying section,the form of bus lane,the configuration of bus stop,the traffic organization of ramp area,and the adjustment of bus lines.Then,we simulate and evaluate the scenarios using the INTEGRATION model.From the analysis results of two indices,i.e.average travel speed and distribution of traffic operational condition,it is found that although the infrastructure and traffic conditions meet the deploying requirements,the traffic indices results of the western 3rd ring-road decreased,and deploying bus lanes cannot improve the traffic efficiency.The key constraining factor is that separating automobiles and buses will complicate lane-changing and entry and exit of traffic near ramps.Therefore,it is suggested that such deployment be coordinated with the ramp control and the optimization of bus lines to improve the effects.
出处 《交通运输系统工程与信息》 EI CSCD 2011年第1期50-55,共6页 Journal of Transportation Systems Engineering and Information Technology
基金 北京市科委重大项目课题"科技促进市民生活质量改善"主题计划之分课题:城市道路网络集成动态运行分析示范平台研究(D07050600440704) 城市路网动态评估与分析预报模型(CZ200704)
关键词 城市交通 INTEGRATION模型 西三环快速路 路侧式公交专用道 中央式公交专用道 平均行程速度 urban traffic INTEGRATION model western 3rd ring-road expressway curbside bus lane median bus lane average travel speed
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