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首页> 外文期刊>Applied Geography >Measuring the impacts of new public transit services on space-time accessibility: An analysis of transit system redesign and new bus rapid transit in Columbus, Ohio, USA
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Measuring the impacts of new public transit services on space-time accessibility: An analysis of transit system redesign and new bus rapid transit in Columbus, Ohio, USA

机译:衡量新公共交通服务对时空可访问性的影响:俄亥俄州哥伦布跨境系统重新设计及新巴士快速交通分析

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摘要

The absence of effective access to opportunities and services is a key contributor to poor socio-economic and health outcomes in underserved neighborhoods in many cities. The city of Columbus, Ohio, USA is attempting to enhance residents' accessibility by providing new public transit services. These new services include a major Transit System Redesign (TSR) of the conventional bus network and the introduction of a new bus rapid transit, named CMAX. Using a high-resolution space-time accessibility measure, we analyze whether these new public transit services will change residents' accessibility to job and healthcare in an underserved neighborhood of Columbus. Also, we assess whether enhancing the CMAX service to reduce delays (e.g., reserved lane, off-board payment system) will improve accessibility. The high-resolution space-time accessibility measure in this study uses published public transit schedules via the General Transit Feed Specification (GTFS). We use multiple departure times during a day to account for the temporal fluctuations of accessibility based on the transit schedule changes. We also consider the operating hours of job opportunities and healthcare services. Results suggest that the TSR yields ambiguous benefits for accessibility to jobs and healthcare. However, the new CMAX service and its potential upgrades lead to a substantial increase in both job and healthcare accessibility. The results can be used for city officials and urban planners to evaluate the effectiveness of public transit innovations in improving accessibility.
机译:没有有效的机会和服务获得机会和服务是许多城市的欠缺社会经济和健康成果的关键贡献者。俄亥俄州哥伦布市正在试图通过提供新的公共交通服务来提高居民的可访问性。这些新服务包括传统总线网络的主要运输系统重新设计(TSR)以及引入新的总线快速运输,名为CMAX。使用高分辨率的时空可访问度量,我们分析这些新的公共交通服务是否将在哥伦布的不足社区中将居民的可访问性改变为工作和医疗保健。此外,我们评估是否增强CMAX服务以减少延迟(例如,保留车道,离载车道,脱机支付系统)将提高可访问性。本研究中的高分辨率空间可访问性度量使用已发布的公共交通时间表通过通用传输馈送规范(GTF)。我们在一天中使用多次出发时间,以便根据运输计划发生变化来计算可访问性的时间波动。我们还考虑工作机会和医疗服务的营业时间。结果表明,TSR为工作和医疗保健的可用性产生了模糊的益处。但是,新的CMAX服务及其潜在升级导致工作和医疗保健可访问性大幅增加。结果可用于城市官员和城市规划人员,以评估公共交通创新在提高可达性方面的有效性。

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