城市道路交通拥堵状态出行者感知差异性研究

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英文篇名：Investigating the Heterogeneous Perception of Travelers on Urban Traffic States 作者：韩春阳 ; 黄合来 ; 唐进君 ; 张可可 英文作者：HAN Chun-yang;HUANG He-lai;TANG Jin-jun;ZHANG Ke-ke;School of Traffic and Transportation Engineering,Central South University;Smart Transport Key Laboratory of Hunan Province,Central South University;Hunan Provincial Transportation Planning,Survey & Design Institute CO.; 关键词：交通工程 ; 交通拥堵感知 ; 个体感知差异 ; 多层有序Logit贝叶斯模型 英文关键词：traffic engineering;;traffic state identification;;individual perception heterogeneity;;Bayesian hierarchical order Logit model 中文刊名：YSXT 英文刊名：Journal of Transportation Systems Engineering and Information Technology 机构：中南大学交通运输工程学院;中南大学智慧交通湖南省重点实验室;湖南省交通规划勘察设计院; 出版日期：2019-06-15 出版单位：交通运输系统工程与信息 年：2019 期：v.19 基金：国家自然科学基金国际(地区)合作与交流项目(71561167001);; 国家重点研发计划(SQ2018YFB120181)~~ 语种：中文; 页：YSXT201903030 页数：6 CN：03 ISSN：11-4520/U 分类号：206-211

摘要

为研究出行者在感知城市道路拥堵状态时的个体差异性,首先,选取长沙市5条典型路段,采用视频观测法,设计拥堵状态主观感知实验,收集出行个体对城市道路拥堵状态的真实感知数据;其次,基于多层有序Logit贝叶斯模型,获取出行者个体感知参数,深入分析道路及交通流因素对出行者拥堵感知影响的差异程度,并进一步探究造成感知差异的个体属性因素.结果表明:所选道路和交通流特征因素,对出行者的拥堵感知结果有显著影响;在其他变量不变的情况下,道路特征因素对不同出行者拥堵感知结果的影响差异性大于交通流特征因素,其中平均车速的影响差异性最小;个人属性的不同,是造成感知差异的主要原因.
        This study aims to investigate the heterogeneous perception of travelers on urban traffic states. First, a video-based experiment was conducted for collecting the perception data. Then, an order Logit Bayesian hierarchical model was developed to estimate the individual-level perception parameters. The heterogeneity of travels' perception on traffic state can be investigated through examining the individual parameters by accounting for the effects of objective road-and traffic-related factors. The results show that:(1) Both road attributes(number of lanes or road segment width) and traffic flow factors(traffic volume and average travel speed) have significant effects on traveler's perception.(2) The effects of these factors significantly vary among participants. The variations in effect of road attribute factors are more significant than those of traffic flow factors. Average travel speed has a relatively stable effect on their perceptions.(3) The difference in personal attributes is one of the main hints for the heterogeneous perception.

引文

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    ① PCCs=皮尔逊相关系数