The Arc Routing and Scheduling Problem with Transshipment

  • Authors:
  • Barbara De Rosa;Gennaro Improta;Gianpaolo Ghiani;Roberto Musmanno

  • Affiliations:
  • -;-;-;-

  • Venue:
  • Transportation Science
  • Year:
  • 2002

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Abstract

This article introduces theArc Routing and Scheduling Problem with Transshipment (ARPT), a particularArc Routing Problem whose applications arise in garbage collection. In the ARPT,the demand is collected by specially equipped vehicles, taken to a transfer station, shredded or compacted and, finally, transported to a dump site by means of high-capacity trucks. A lower bound, based on a relaxation of an integer linear formulation of the problem, is developed for the ARPT. A tailored Tabu Search heuristic is also devised. Computational results on a set of benchmark instances are reported.