European Driver Rules in Vehicle Routing with Time Windows

  • Authors:

  • Eric Prescott-Gagnon;Guy Desaulniers;Michael Drexl;Louis-Martin Rousseau

  • Affiliations:

  • École Polytechnique de Montréal, Montréal, Québec H3C 3A7, Canada, and GERAD, Montréal, Québec H3T 2A7, Canada;École Polytechnique de Montréal, Montréal, Québec H3C 3A7, Canada, and GERAD, Montréal, Québec H3T 2A7, Canada;Fraunhofer-Centre for Applied Research on Supply Chain Services SCS, 90411 Nuremberg, Germany;École Polytechnique de Montréal and CIRRELT, Montréal, Québec H3C 3AT, Canada

  • Venue:
  • Transportation Science
  • Year:
  • 2010

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Abstract

As of April 2007, the European Union has new regulations concerning driver working hours. These rules force the placement of breaks and rests into vehicle routes when consecutive driving or working time exceeds certain limits. This paper proposes a large neighborhood search method for the vehicle routing problem with time windows and driver regulations. In this method, neighborhoods are explored using a column generation heuristic that relies on a tabu search algorithm for generating new columns (routes). Checking route feasibility after inserting a customer into a route in the tabu search algorithm is not an easy task. To do so, we model all feasibility rules as resource constraints, develop a label-setting algorithm to perform this check, and show how it can be used efficiently to validate multiple customer insertions into a given existing route. We test the overall solution method on modified Solomon instances and report computational results that clearly show the efficiency of our method compared to two other existing heuristics.