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A Single-Objective Recovery Phase Model

The Federal Emergency Management Agency FEMA has identified the four phases of disaster related planning as mitigation, preparation, response, and recovery. The recovery phase is characterized by activity to return life to normal or improved levels. Very little research considers the recovery phase, which encompasses restoring services and rebuilding disaster stricken areas of the highway transportation network. Existing recovery phase models deal primarily with travel times and do not focus on specific routes for reconstruction. This research proposes a plan for repair and restoration of bridges to restore a highway network that allows accessibility to key facilities in the area. This research differs from other recovery phase models in that actual routes are chosen for recovery based on given criteria. The single-objective optimization model developed in this paper is a flexible model that can be applied to a variety of natural disaster situations and other situations that involve damage to transportation components where decisions on recovery strategies must be made.