Intermodal routing of Canada-Mexico shipments under NAFTA

James H. Bookbinder and Neil S. Fox

Transportation Research Part E: Logistics and Transportation Review, 1998, vol. 34, issue 4, 289-303

Abstract: This paper obtains the optimal routings for intermodal containerized transport from Canada to Mexico. Such traffic is being stimulated by the North American Free Trade Agreement (NAFTA), but the cost and lead times of feasible routes are not well known. We summarize the links and routes to Mexico on which one or more carriers now operate, and then determine non-dominated tradeoffs between cost and service. Every southbound route from Canada requires a transshipment point in the southern or southwestern U. S. Feasible transshipment points are also candidate locations for a manufacturing 'twin plant', a distribution centre, or a transportation hub. Here, as a first step in this bigger problem, a network is constructed between five Canadian origins and three important Mexican destinations. Each link employs available intermodal services whose transit time and transportation cost are obtained through industry sources. A shortest-path algorithm enables calculation of the route requiring least time and the route of minimum cost. Non-dominated time/cost tradeoffs are identified for each origin-destination pair. After including inventory expenses (by parametrizing the unit value of lead time), total-cost curves then eliminate some routing alternatives. Guidelines are provided on the effects of mode, carrier, and O-D locations on selection of intermodal routes to Mexico. Finally, two new intermodal services are proposed and their benefits discussed.

Keywords: NAFTA; logistics; transportation; rail; truck; water; intermodal; Canada; Mexico; routing. (search for similar items in EconPapers)
Date: 1998
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