城市轨道交通出行一体化水平测度

Measurement of Travel Integration Level for Urban Rail Transit

为解决用较少指标测度城市轨道交通出行一体化水平,克服测度时主观性强、指标宏观且间接等问题,提出了基于乘客出行链的主客观相结合的微观测度方法体系.引入效率概念,以与城市轨道交通出行相应的小汽车出行作为理想参照系,提出了时间效率、衔接效率,以及支付效率三个概念.基于运输效率和乘客出行链主观感知的满意度,采取结构方程模型(structural equation modeling,SEM),建立了主客观混合的一体化水平测度模型.以武汉地铁(含轻轨)出行一体化水平测度为例,结果表明:出行一体化指数为73.04;出行一体化水平对乘客满意度产生重要影响(归一化权重0.77);相较于支付效率,乘客更重视时间效率与衔接效率.为提升武汉地铁出行一体化水平,应优先改善时间效率与衔接效率.

In order to solve the problems of measuring the integration level of urban rail transit travel with fewer indicators,such as strong subjectivity,macroscopic and indirect indicators,etc.,a microscopic measurement method system based on the combination of subjectivity and objectivity of passenger travel chain was proposed.Introducing the concept of efficiency,taking the car trips corresponding to urban rail transit trips as an ideal frame of reference,this paper put forward three concepts:time efficiency,connection efficiency and payment efficiency.Based on the transportation efficiency and the subjective satisfaction of passengers’travel chain,the structural equation modeling(SEM)was adopted to establish an integrated level measurement model which is subjective and objective.Taking Wuhan Metro(including light rail)as an example,the analysis shows that the travel integration index is 73.04.Travel integration level has an important impact on passenger satisfaction(normalized weight 0.77).Compared with payment efficiency,passengers pay more attention to time efficiency and connection efficiency.In order to improve the integration level of Wuhan Metro travel,priority should be given to improving time efficiency and convergence efficiency.