高速公路出口匝道安全分流区间界定方法研究  

The Research of Safety Flow Interval Definition Method in Freeway Exit Ramp

作　　者：夏国栋 张仲瑾 

机构地区：[1]深圳城市交通规划设计研究中心有限公司,深圳518021

出　　处：《交通与运输》2016年第A01期248-251,259,共5页Traffic & Transportation

摘　　要：为科学引导高速公路出口匝道区域行车,提升交通安全性,对高速公路出口段行车过程进行分析。通过行车动力学和相关交通流理论知识研究出口段车辆行驶轨迹,并建立出口匝道段分流模型,分析车辆分流过程。研究提出出口匝道安全分流区间的概念,并发现不同道路和交通流情况条件下,出口匝道安全分流区间值相差较大。研究认为高速公路不同出口匝道的交通标识设置应该因地制宜,量身定制,这对提升道路安全水平具有很重要意义。In order to scientifically guide driving and impove traffic safety in highway exit ramp region,we analyse the process driving in this region. It is necessary to build shunting model to analyse the triage process base on studing vehicle trajectory on the exit section with driving dynamics and traffic flow theory.The reserch put forward the concept of Exit ramp safety distribution range,and discover the Safety flow interval Large difference in different road and traffic flow conditions. It is important meaning to bring up the level of safety if we set traffic facilities suiting one＇s measures to local conditions at different highway exit ramp.

关 键 词：交通安全 出口匝道 行车动力学 分流区间 

分 类 号：U491[交通运输工程—交通运输规划与管理]