期刊
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT
卷 54, 期 -, 页码 191-211出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.trd.2017.05.007
关键词
Hazardous materials; Risk assessment; Railroad transportation; Value-at-risk
Hazardous materials (hazmat) accidents are rare though the consequences could be disastrous. Given the possibility of low probability - high consequence event, a risk-averse routing hazmat shipment is necessary. We propose a value-at-risk (VaR) approach to route rail hazmat shipments, using the best train configuration, over a given railroad network with limited number of train services such that the transport risk as measured by VaR is minimized. Freight train derailment reports of the Federal Railroad Administration were analyzed to develop expressions that would incorporate characteristics of railroad accidents, and then to estimate the different inputs. The proposed methodology was used to study several problem instances generated using the realistic network of a railroad operator, and to demonstrate that it is possible to develop different routes for shipments depending on the risk preference of the decision maker. (C) 2017 Elsevier Ltd. All rights reserved.
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