Title: Finding equitable risk routes for hazmat shipments

Authors: Huo Chai; Ruichun He; Changxi Ma; Cunjie Dai

Addresses: School of Traffic and Transportation, Lanzhou Jiaotong University, Lanzhou 730070, China ' School of Traffic and Transportation, Lanzhou Jiaotong University, Lanzhou 730070, China ' School of Traffic and Transportation, Lanzhou Jiaotong University, Lanzhou 730070, China ' School of Traffic and Transportation, Lanzhou Jiaotong University, Lanzhou 730070, China

Abstract: This paper develops a model to analyse hazmat shipments routing in the context of hazmat transportation between the specified origin-destination (OD) pair. A novel aspect of this model is the consideration of risk equity using the standard deviation, an established computation to assess equity. To solve the model, a two-phase method is developed, in which the multi-objective shortest path algorithm is used to obtain the Pareto-optimal paths set, and get the routes using estimation of distribution algorithm after paths choice. We then present a test problem of hazmat shipment with consideration of risk equity and discuss computational results.

Keywords: hazmat shipments; vehicle routing problem; risk equity; transportation network; multi-objective shortest path; estimation of distribution algorithm.

DOI: 10.1504/IJCSM.2019.103677

International Journal of Computing Science and Mathematics, 2019 Vol.10 No.5, pp.476 - 487

Received: 15 Jun 2017
Accepted: 22 Aug 2017
Published online: 22 Nov 2019 *

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