The open vehicle routing problem with decoupling points

Reza Atefi, Majid Salari, Leandro C. Coelho and Jacques Renaud

European Journal of Operational Research, 2018, vol. 265, issue 1, 316-327

Abstract: In this paper we introduce the open vehicle routing problem with decoupling points (OVRP-DP). This practical problem is faced by companies dealing with carriers to ship their goods over large territories. In this case it may be profitable to use more than one carrier to perform a specific expedition: the first one leaves the depot and performs part of the deliveries, drops off all remaining load, and the second carrier continues from that point onwards. This drop off location is called the decoupling point of the route. This problem generalizes the classical OVRP in which each route must be performed by only one carrier. We model this problem using a realistic multi-drop less-than-truckload cost function composed of a non-linear transportation cost, a detour cost and a drop cost. We have developed a tailored Iterated Local Search (ILS) algorithm which handles the special features of the problem. The efficiency of the ILS was demonstrated by obtaining all best known solutions on a set of classical OVRP instances and improving it for one instance. Then, using real orders and transportation costs obtained from industrial partners, we clearly show the benefit of using decoupling points to optimize transportation costs. The performance of the ILS is analyzed and shown to be very robust and superior to what can be obtained with a commercial solver.

Keywords: Open vehicle routing; Common carriers; Iterated local search; Decoupling points (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:265:y:2018:i:1:p:316-327

DOI: 10.1016/j.ejor.2017.07.033

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