Public transport equity with the concept of time-dependent accessibility using Geostatistics methods, Lorenz curves, and Gini coefficients

公共交通 洛伦兹曲线 运输工程 私人交通工具 衡平法 交通规划 可持续运输 吸引力 传输网络 业务 环境经济学 基尼系数 持续性 计算机科学 不平等 经济 工程类 数学 经济不平等 数学分析 精神分析 法学 生物 生态学 政治学 心理学
作者
Asif Raza,Ming Zhong,Raymond Akuh,Safdar Muhammad
出处
期刊:Case studies on transport policy [Elsevier BV]
卷期号:11: 100956-100956 被引量:10
标识
DOI:10.1016/j.cstp.2023.100956
摘要

The primary objective of transport policies is to improve accessibility and mitigate the adverse consequences of private vehicles. Improved accessibility can considerably contribute to urban sustainability and quality of life. To improve accessibility, measuring it as precisely as possible is very important. A greater knowledge of the accessibility levels of public transport systems would not only help in enhancing the level of service but will also aid in resource planning and budgeting (capital costs, operations & maintenance costs, etc.). The research on various accessibility methods used to investigate transportation equity, particularly public transport, revealed that most of these approaches used time-based approaches to analyze public transport accessibility under theoretical traffic conditions and accessibility to public transport corridors, but ignored the overall performance of the transportation network. In this study, we developed an accessibility measurement framework for public transport to capture the performance of the entire transport network in a multimodal fashion and applied the methodology to the City of Wuhan as a case study. The key elements are: (i) develop a multimodal transport network that captures the performance of the entire transport network at a different time of the day. (ii) adopt the utility-based accessibility method to analyze public transport accessibility to opportunities based on the attractiveness of the destination, and (iii) determine the level of the disparity of accessing job opportunities by public transport between the urban and rural areas of the city using Geostatistics methods such as Lorenz curve and Gini Coefficients. The framework adopted in this study allowed us to examine the public transport equity in the study area, and help identify the influencing factors towards enhancing transport policies that consider the fair distribution of public transport infrastructure.
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