Approaches to Resilience: Examples from the United States of America

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Transportation owners and operators are responsible for the delivery of a range of services and functions through the management of a multifaceted system of assets. These systems must be managed notwithstanding external threats, aging and deteriorating infrastructure, and fiscally constrained sustainable resources. Agencies are also moving towards performance-based planning and resource allocation while simultaneously recognizing risks that may undermine their strategic goals. With the passage of recent rule makings related to performance and asset management, as well as external threats from extreme weather events, several agencies have been moving to incorporate risk and resilience analysis in their decision-making processes from long range planning through maintenance prioritization. Risks that hinder system resilience can range across: