Saving-based algorithms for vehicle routing problem with simultaneous pickup and delivery

Y Gajpal () and P Abad ()
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Y Gajpal: DeGroote School of Business, McMaster University Hamilton
P Abad: DeGroote School of Business, McMaster University Hamilton

Journal of the Operational Research Society, 2010, vol. 61, issue 10, 1498-1509

Abstract: Abstract The vehicle routing problem (VRP) with simultaneous pickup and delivery (VRPSPD) is an extension of the classical capacitated VRP (CVRP). In this paper, we present the saving heuristic and the parallel saving heuristic for VRPSPD. Checking the feasibility of a route in VRPSPD is difficult because of the fluctuating load on the route. In the saving heuristic, a new route is created by merging the two existing routes. We use a cumulative net-pickup approach for checking the feasibility when two existing routes are merged. The numerical results show that the performance of the proposed heuristics is qualitatively better than the existing insertion-based heuristics.

Keywords: vehicle routing; pickup and delivery; heuristic; combinatorial optimization (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (1)

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DOI: 10.1057/jors.2009.83

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