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Toll Policies for Mitigating Hazardous Materials Transport Risk

Université de Montréal, Montréal, Québec, and CIRRELT, Montréal, Québec H3C 3J7, Canada
Université de Montréal, Montréal, Québec, and CIRRELT, Montréal, Québec H3C 3J7, Canada
École Polytechnique de Montréal, Montréal, Québec, and GERAD, Montréal, Québec H3T 1J4, Canada
McGill University, Montréal, Québec H3A 1G5, Canada, and CIRRELT, Montréal, Québec H3C 3J7, Canada
marcotte{at}iro.umontreal.ca
mercier{at}crt.umontreal.ca
gilles.savard{at}polymtl.ca
vedat.verter{at}mcgill.ca

In this paper, we investigate toll setting as a policy tool to regulate the use of roads for dangerous goods shipments. We propose a mathematical formulation as well as a solution method for the hazardous materials toll problem. Based on a comparative analysis of proposed mathematical models, we show that toll policies can be more effective than the popular network design policies that identify road segments to be closed for vehicles carrying hazardous materials. We present a summary of computational experiments on a problem instance from Western Ontario, Canada.

Key Words: hazardous materials transportation; toll setting; network design; bilevel programming
History: Received: April 2007; revised: December 2007; accepted: March 2008.