United States Department of Transportation
i
A Decision Support Tool to Locate Shelters in Emergency Logistics
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2015-01-01
[PDF-1.38 MB]
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TRIS Online Accession Number:01556484
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Abstract:The objective of this research is to develop a systematic methodology to locate shelters considering both transportation and social factors in the aftermath of disasters. When anticipated demands for hurricane evacuation shelter spaces exceed existing capacity as defined by the preceding standards, there is a need to utilize less preferred facilities. It is critical that shelter selection decisions be made carefully considering both accessibility and facility conditions, and in consultation with local emergency management and public safety officials. While Red Cross and other relief agencies propose strategies to locate shelters, they currently do not consider how evacuees choose facilities based on accessibility to shelters and the in-facility congestion. This was evident in recent disasters such as Hurricane Katrina and Rita where some of the smaller shelters turned out to be inaccessible or unsafe for evacuees to use. This report provides a mathematical model to consider traveler routing and in facility delays in the location of facilities; considers the use of social cost functions to optimize the location of facilities in a network; and provides conclusions and directions for future research.
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