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A matheuristic for the truck and trailer routing problem

Abstract : In the truck and trailer routing problems (TTRPs) a fleet of trucks and trailers serves a set of customers. Some customers with accessibility constraints must be served just by truck, while others can be served either by truck or by a complete vehicle (a truck pulling a trailer). We propose a simple, yet effective, two-phase matheuristic that uses the routes of the local optima of a hybrid GRASP × ILS as columns in a set-partitioning formulation of the TTRP. Using this matheuristic we solved both the classical TTRP with fixed fleet and the new variant with unlimited fleet. This matheuristic outperforms state-of-the-art methods both in terms of solution quality and computing time. While the best variant of the matheuristic found new best-known solutions for several test instances from the literature, the fastest variant of the matheuristic achieved results of comparable quality to those of all previous method from the literature with an average speed-up of at least 2.5.
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Submitted on : Thursday, February 13, 2020 - 11:46:34 AM
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Juan G. Villegas, Christian Prins, Caroline Prodhon, Andrés Medaglia, Nubia Velasco. A matheuristic for the truck and trailer routing problem. European Journal of Operational Research, Elsevier, 2013, 230 (2), pp.231-244. ⟨10.1016/j.ejor.2013.04.026⟩. ⟨hal-02477245⟩



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