A novel method to assess urban multimodal transportation system resilience considering passenger demand and infrastructure supply

Wang N.; Wu M.; Yuen K.F.

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A novel method to assess urban multimodal transportation system resilience considering passenger demand and infrastructure supply

机译：A novel method to assess urban multimodal transportation system resilience considering passenger demand and infrastructure supply

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? 2023 Elsevier LtdWith the continuous construction of urban infrastructure, urban multi-modal transportation system (UMTS) has gradually become complex and intertwined, which makes the system more uncertain and vulnerable, especially under disruptions. Improving the resilience of UMTS is critical to maintaining urban reliability and sustainability. This paper aims to build effective models to assess the resilience of UMTS. To develop the resilience assessment model, we provide a comprehensive, dynamic index that considers passenger demand and infrastructure supply. Three transportation modes are considered: bus, subway and taxi, and a cascading failure model is simulated. Data from Singapore are collected to analyse resilience indicators’ characteristics and explore relationship between resilience indicators and node measures. The results indicate that 1) when stations experience failure, it has the greatest impact on the accessibility of the transportation network, followed by efficiency and connectivity; 2) system resilience is negatively related to the node degree and node betweenness centrality of the attacked station; 3) beyond a certain threshold, continuing to increase stations’ additional capacity does not significantly increase system resilience. The proposed resilience index can be used as an optimization goal during system design and recovery. The conclusions and recommendations can inform the management and improvement of urban transportation system resilience.

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《Reliability engineering & system safety》 |2023年第10期|1.1-1.18|共18页
作者
Wang N.; Wu M.; Yuen K.F.;
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作者单位

School of Civil and Environmental Engineering Nanyang Technological University;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类安全科学;
关键词
Cascading failure; Network measures; Passenger behaviour model; Resilience assessment; Sustainability; Urban multi-modal transportation system;

A novel method to assess urban multimodal transportation system resilience considering passenger demand and infrastructure supply

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