The min-max close-enough arc routing problem

Nicola Bianchessi, Ángel Corberán, Isaac Plana, Miguel Reula and José M. Sanchis

European Journal of Operational Research, 2022, vol. 300, issue 3, 837-851

Abstract: Here we introduce the Min-Max Close-Enough Arc Routing Problem, where a fleet of vehicles must serve a set of customers while trying to balance the length of the routes. The vehicles do not need to visit the customers, since they can serve them from a distance by traversing arcs that are “close enough” to the customers. We present two formulations of the problem and propose a branch-and-cut and a branch-and-price algorithm based on the respective formulations. A heuristic algorithm used to provide good upper bounds to the exact procedures is also presented. Extensive computational experiments to compare the performance of the algorithms are carried out.

Keywords: Routing; Close-enough arc routing problem; Branch-and-price; Branch-and-cut; Min-max (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:300:y:2022:i:3:p:837-851

DOI: 10.1016/j.ejor.2021.10.047

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