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Journal of Advanced Transportation
Volume 2017, Article ID 8524960, 14 pages
https://doi.org/10.1155/2017/8524960
Research Article

Multiple Depots Vehicle Routing Problem in the Context of Total Urban Traffic Equilibrium

1Transportation Engineering College, Dalian Maritime University, Dalian 116026, China
2Faculty of Maritime and Transportation, Ningbo University, Ningbo 315211, China
3National Traffic Management Engineering & Technology Research Centre Ningbo University Sub-Centre, Ningbo 315211, China

Correspondence should be addressed to Zhongzhen Yang; nc.ude.umld@zzgnay

Received 31 May 2017; Revised 6 September 2017; Accepted 28 November 2017; Published 28 December 2017

Academic Editor: Antonio Comi

Copyright © 2017 Dongxu Chen and Zhongzhen Yang. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A multidepot VRP is solved in the context of total urban traffic equilibrium. Under the total traffic equilibrium, the multidepot VRP is changed to GDAP (the problem of Grouping Customers + Estimating OD Traffic + Assigning traffic) and bilevel programming is used to model the problem, where the upper model determines the customers that each truck visits and adds the trucks’ trips to the initial OD (Origin/Destination) trips, and the lower model assigns the OD trips to road network. Feedback between upper model and lower model is iterated through OD trips; thus total traffic equilibrium can be simulated.