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Mathematical Problems in Engineering
Volume 2015, Article ID 506794, 10 pages
Research Article

Vehicle-Scheduling Model for Operation Based on Single-Depot

1Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, 4800 Cao’an Highway, Shanghai 201804, China
2School of Transportation Engineering, Tongji University, 4800 Cao’an Highway, Shanghai 201804, China

Received 23 January 2015; Accepted 22 February 2015

Academic Editor: Wei (David) Fan

Copyright © 2015 Jing Teng et al. 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.


Centralized assigning of bus running between multiple lines can save operation cost of transit agency. As more big transit terminals can serve for multiple bus lines being established, coordinating the operation of these lines’ vehicles becomes more economical and perspective. This paper proposed a vehicle-scheduling model for multiple lines which share vehicle resource together and service based on the same terminal. The optimization goal is to minimize the number of vehicles while considering reducing the invalid operation time under the constraint of timetable schemes and matching time for vehicle crossing two lines. A case in Ningbo city, China, was conducted to compare the performance of the cross-line schedules with the original schedules assigning vehicles within respective lines. The optimized schedules can reduce 7.14% vehicles in need while meeting the timetable schemes of all bus lines, which indicated that the proposed model is suitable for operation practice.