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首页> 外文期刊>Transportation Research >Access to transit? Validating local transit accessibility measures using transit ridership
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Access to transit? Validating local transit accessibility measures using transit ridership

机译:进入过境?使用过境乘坐验证本地传输可访问性措施

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摘要

Local transit accessibility measures are important tools used by planners to understand the effects of changes to public transit systems. Several local transit accessibility measures exist in the literature, however, it is not clear how these measures relate to public transit usage. Therefore, the aim of this study is to evaluate several transit accessibility measures that are commonly used in the literature by examining their associations with ridership levels at the dissemination area level. The assessed transit accessibility measures ranged from a basic stop count, to gravity-based measures which use distance decay functions from a local household survey, and Walkscore. com's Transit Score. Using several land use and transit service datasets, including data collected from the fare box systems onboard the Saskatoon Transit buses, three types of models were tested. These models include ordinary least square models (OLS), spatial lag models (SLM), and spatial error models (SEM). The results from the models suggest that we can more closely predict actual public transit ridership when including a gravity-based accessibility measure in the model, while controlling for several household socioeconomic factors and built environment characteristics. In all cases, the measure that best fit the variation in ridership was the filtered frequency accessibility measure calculated using a 400 m network buffer and a Butterworth filter with a distance decay bandpass value of 250 m. This study offers transit planners and practitioners a better understanding of the performance of different transit local accessibility measures in relationship to actual transit ridership.
机译:局部运输可访问性措施是规划者使用的重要工具,以了解对公共交通系统的变化影响。文献中存在几种局部运输途径措施,但目前尚不清楚这些措施如何与公共交通使用情况有关。因此,本研究的目的是通过在传播区域水平上审查其与乘坐水平的协会来评估文献中常用的几种过渡可访问措施。评估的过境可访问性措施范围从基本的停止计数,以基于重力的措施,使用当地家庭调查以及步行扫视的距离衰减功能。 COM的运输得分。使用几种土地使用和传输服务数据集,包括从萨斯坦通路运输总线上的票价箱系统中收集的数据,测试了三种类型的模型。这些型号包括普通的最小二乘型号(OLS),空间滞后模型(SLM)和空间误差模型(SEM)。该模型的结果表明,在包括模型中基于重力的可访问度量时,我们可以更加密切地预测实际的公共交通乘坐,同时控制几个家庭社会经济因素并建立环境特征。在所有情况下,最适合乘坐乘坐的措施是使用400米网络缓冲器和Butterworth滤波器计算的过滤频率可访问度量,距离衰减带通值为250米。本研究提供过境规划人员和从业者更好地了解不同过境局部可访问性措施与实际过境乘积的关系的性能。

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