Benchmarking the performance of urban rail transit systems: a machine learning application

IF 3.6 2区 工程技术 Q2 TRANSPORTATION
Farah A. Awad, D. Graham, Laila AitBihiOuali, Ramandeep Singh, Alexander S. Barron
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引用次数: 0

Abstract

SHORT SUMMARY Urban rail transit systems operate in heterogenous environments. Distinguishing between inherent performance and the role of efficiencies due to differing environmental and system-specific characteristics is challenging. This study provides a data-driven benchmarking method which accommodates heterogeneity in operational performance among urban rail systems. Using an international dataset of 36 metros in year 2016, operators are clustered into peer groups through clustering algorithms based on operational characteristics. ANOVA and post-hoc tests are then applied to explore variations between clusters. Finally, efficiency performance benchmarking is conducted through Data Envelopment Analysis. Our clustering results corroborate to the natural geographic grouping of the systems. Moreover, our results show that the use of an aggregated index is inadequate to represent the operator’s overall quality-of-service. Finally, results show that clustering operators into groups based on similarities in their operational characteristics would introduce more meaningful benchmarks for best practices as they are more likely to be attainable.
对城市轨道交通系统的性能进行基准测试:一个机器学习应用
城市轨道交通系统在异质环境中运行。由于不同的环境和系统特性,区分固有性能和效率的作用是具有挑战性的。本研究提供了一种数据驱动的基准测试方法,以适应城市轨道系统运行性能的异质性。使用2016年36个地铁的国际数据集,通过基于运营特征的聚类算法将运营商聚类到对等组。然后应用方差分析和事后检验来探索集群之间的变化。最后,通过数据包络分析进行能效绩效对标。我们的聚类结果证实了系统的自然地理分组。此外,我们的研究结果表明,使用汇总指数不足以代表运营商的整体服务质量。最后,结果表明,基于操作特征相似性的聚类操作将为最佳实践引入更有意义的基准,因为它们更有可能实现。
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来源期刊
Transportmetrica A-Transport Science
Transportmetrica A-Transport Science TRANSPORTATION SCIENCE & TECHNOLOGY-
CiteScore
8.10
自引率
12.10%
发文量
55
期刊介绍: Transportmetrica A provides a forum for original discourse in transport science. The international journal''s focus is on the scientific approach to transport research methodology and empirical analysis of moving people and goods. Papers related to all aspects of transportation are welcome. A rigorous peer review that involves editor screening and anonymous refereeing for submitted articles facilitates quality output.
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