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Dynamic real-time routing for evacuation response planning and execution.
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2011-01-01
[PDF-75.32 MB]
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Alternative Title:Joint Transportation Research Program : Civil Engineering
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Edition:Final report.
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Abstract:This study addresses the problem of dynamic routing operations in the emergency response context, primarily in terms
of the routing of response vehicles and evacuees. The study focuses on identifying the paths used for routing response
vehicles and the evacuees in disaster situations. In this context, two application modules are developed: module for Kshortest
paths routing and module for multiple-stop routing. The K-shortest paths module allows more flexible options for
routing response vehicles under the dynamic network conditions due to a disaster. It provides multiple routes for
evacuation and response operations. The multiple-stop routing module enables the delivery of relief resources to several
locations using a single response vehicle. It has the ability to impose time window constraints for relief operations and the
reordering of the routing to the delivery locations, capabilities which are critical to disaster operations.
For ease of operability, these modules are developed on a Geographic Information System (GIS) platform used by the
Indiana Department of Transportation (INDOT) and Indiana Department of Homeland Security (IDHS). Based on
dynamic field conditions, color-coded flags on the GIS map are used to characterize links in terms of their availability and
functionality in the context of the response operations. These link characteristics are dynamically updated as new
information on the network conditions becomes available over time. The proposed modules can be integrated into the
current web-based traffic information system called TrafficWise supported by INDOT and disaster management system
Web Emergency Operation Center (WebEOC) supported by IDHS for seamless practical implementation.
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