Inderscience Publishers

Optimal recovery sequencing for enhanced resilience and service restoration in transportation networks

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Critical infrastructure resilience has become a national priority for the US Department of Homeland Security. Rapid and efficient restoration of service in damaged transportation networks is a key area of focus. The intent of this paper is to formulate a bi–level optimisation model for network recovery and to demonstrate a solution approach for that optimisation model. The lower–level problem involves solving for network flows, while the upper–level problem identifies the optimal recovery modes and sequences, using tools from the literature on multi–mode project scheduling problems. Application and advantages of this method are demonstrated through two examples.

Keywords: infrastructure resilience, optimisation, transport networks, multi–mode project scheduling, recovery sequencing, service restoration, critical infrastructures, network recovery, transport services

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