The aim of this paper is to present a survey of recent optimization models for the most
commonly studied rail transportation problems. For each group of problems, we propose a …

One of the many problems faced by rail transportation companies is to optimize the
utilization of the available stock of locomotives and cars. In this paper, we describe a …

In the locomotive-scheduling problem (or the locomotive-assignment problem), we must
assign a consist (a set of locomotives) to each train in a preplanned train schedule so as to …

The past few decades have witnessed numerous applications of operations research in
logistics, and these applications have resulted in substantial cost savings. However, the US …

In this paper, we develop new formulations for the locomotive planning problem (LPP) which
is one of the most important railroad optimization problems. The objective of the LPP is to …

Given a schedule of trains, the locomotive planning (or scheduling) problem (LPP) is to
determine the minimum cost assignment of locomotive types to trains that satisfies a number …

Moving freight by rail remains one of the major transportation modes in today's business
world. Although railcars compare unfavorably with trucks and airplanes with respect to …

Intention–Cyclic locomotive assignment planning is a specific type of organization of
locomotive usage, and in fact, it means putting the complete workload to a closed chain …

O presente trabalho sintetiza parte da pesquisa realizada e orientada pelo autor e
relacionada à modelagem matemática de problemas em logística e transportes, como parte …

Transportation by railroads and airlines contains a rich set of optimization problems with
substantial potential savings in transportation costs. In the past few decades, unfortunately …