THE JOURNAL OF KMUTNB

Volume 32, No. 04, Month OCTOBER, Year 2022, Pages 891 - 903

Optimization of the vehicle routing problem in postal transportation a case study of kabinburi mail center

Krittanat Khaosa-ard, Sakon Klongboonjit, Udom Janjarassuk, Ruedee Masuchun

Abstract Download PDF

Postal transportation is the key task of postal operation. It is very crucial since transportation is the most important criteria in business competition and service quality of postal enterprise. Therefore, finding the optimal vehicle route on delivering from each postal office and collecting parcels from each sub-office to the main mail center should be conduct with high efficiency. This article proposes a concept in determining the optimal sequences of post offices of Kabinburi Mail Center. It aims at finding the best solution for the vehicle routing problems with back hauls (VRPB) with the lowest transportation cost. The results suggests that the number of vehicle should be reduced from 8 to 6 cars which will decrease the cost by approximately 25% from the current cost. It can be concluded that the proposal guideline can be applied to improve the existing operational transportation of the postal service.

Keywords

Vehicle Routing Problem; Postal Transportation; Optimization

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