Routing of a hazmat truck in the presence of weather systems |
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Authors: | Vedat Akgü n,Amit Parekh,Rajan Batta,Christopher M. Rump |
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Affiliation: | 1. Menlo Worldwide Technologies, 2055 NW Savier street, Adtech 11-2, Portland, Oregon 97209, USA;2. ILOG, Inc., 1080 Linda Vista Ave., Mountain View, CA 94043, USA;3. Department of Industrial Engineering, University at Buffalo, State University of New York, 342 Lawrence D. Bell Hall, Buffalo, NY 14260-2050, USA;4. Department of Applied Statistics and Operations Research, Bowling Green State University, Bowling Green, OH 43403, USA |
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Abstract: | This paper focuses on the effects of weather systems on hazmat routing. We start by analyzing the effects of a weather system on a vehicle traversing a single link. This helps characterize the time-dependent attributes of a link due to movement of the weather systems. This analysis is used as a building block for the problem of finding a least risk path for hazmat transportation on a network exposed to such weather systems. Several methods are offered to solve the underlying problem, and computational results are reported. We draw two conclusions from this paper. First, it is possible to determine the time-dependent attributes for links on a network provided that some assumptions on the nature of the weather system are made. Second, heuristics can provide effective solutions for practical size problems while allowing for parking the vehicle to avoid weather system effects. |
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