Review of Performance Metrics for Community-Based Planning for Resilience of the Transportation System

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Review of Performance Metrics for Community-Based Planning for Resilience of the Transportation System

Machado-León, José Luis / Goodchild, Anne

Community resilience depends on the resilience of the lifeline infrastructure and the performance of the disaster-related functions of local governments. State and federal resilience plans and guidelines acknowledge the importance of the transportation system as a critical lifeline in planning for community resilience and in helping local governments to set recovery goals. However, a widely accepted definition of the resilience of the transportation system and a structure for its measurement are not available. This paper provides a literature review that summarizes the metrics used to assess the resilience of the transportation system and a categorization of the assessment approaches at three levels of analysis (the asset, network, and systems levels). Furthermore, this paper ties these metrics to relevant dimensions of community resilience. This work addresses a key first step required to enhance the efficiency of planning related to transportation system resilience by providing ( a) a standard terminology with which efforts to enhance the resilience of the transportation system can be developed, ( b) an approach to organize planning and research efforts related to the resilience of the transportation system, and ( c) identification of the gaps in measurement of the performance of the resilience of the transportation system.