Route Optimization for the Distribution Network of a Confectionary Chain

  • Anıl İnanlı Politecnico di Milano
  • Başak Ünsal Bilkent University
  • Deniz Türsel Eliiyi Yasar University
Keywords: rich vehicle routing problem, heterogeneous fleet, compartmentalized vehicles, soft and hard time windows,


This study considers the distribution network of a well-known perishable food manufacturer and its franchises in Turkey. As the countrywide number of stores is increasing fast, the company is facing problems due to its central distribution of products from a single factory. The objective is to decrease the cost of transportation while maintaining a high level of customer satisfaction. Hence, the focus is on the vehicle routing problem (VRP) of this large franchise chain within each city. The problem is defined as a rich VRP with heterogeneous fleet, site-dependent and compartmentalized vehicles, and soft/hard time windows. This NP-hard problem is modelled and tried with real data on a commercial solver. A basic heuristic procedure which can be used easily by the decision makers is also employed for obtaining quick and high-quality solutions for large instances.

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Anıl İnanlı, Politecnico di Milano

B.Eng. in Industrial Systems Engineering

Politecnico di Milano, School of Industrial and Information Engineering

Piazza Leonardo da Vinci 32, 20133, Milano, Italy

Phone: +39 393 379 98 56
Başak Ünsal, Bilkent University

B.Eng. in Industrial Systems Engineering

Bilkent University, Computer Engineering Department

06800, Bilkent, Ankara, Turkey

Phone: +90 554 357 96 07

Deniz Türsel Eliiyi, Yasar University

Dr. of Industrial Engineering

Yasar University, Department of Industrial Engineering

Selcuk Yasar Kampusu, 35100, Bornova, Izmir, Turkey

Phone: +90 232 4115697, Fax:+90 232 3745474


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How to Cite
İnanlı A, Ünsal B, Eliiyi DT. Route Optimization for the Distribution Network of a Confectionary Chain. Promet [Internet]. 2015Dec.17 [cited 2023May28];27(6):497-03. Available from: