The transit network design problem with elastic demand and internalisation of external costs: An application to rail frequency optimisation

Authors

Mariano Gallo
Bruno Montella
Luca D'Acierno

Document Type

Journal Article

Publication Date

2011

Subject Area

place - europe, mode - bus, mode - subway/metro, mode - rail, planning - network design, operations - frequency

Keywords

Transit network design, Elastic demand, Optimisation models, Scatter search

Abstract

In this paper we examine the transit network design problem under the assumption of elastic demand, focusing on the problem of designing the frequencies of a regional metro. In this problem, investments in transit services have appreciable effects on modal split. Neglecting demand elasticity can lead to solutions that may not represent the actual objectives of the design. We propose four different objective functions that can be adopted to assume demand as elastic, considering the costs of all transportation systems (car, bus and rail) as well as the external costs, and we define the constraints of the problem. Heuristic and meta-heuristic solution algorithms are also proposed. The models and algorithms are tested on a small network and on a real-scale network.

Rights

Permission to publish the abstract has been given by Elsevier, copyright remains with them

Comments

Transportation Research Part C Home Page:

http://www.sciencedirect.com/science/journal/0968090X

Recommended Citation

Gallo, M., Montella, B., & D'Acierno, L. (2011). The transit network design problem with elastic demand and internalisation of external costs: An application to rail frequency optimisation. Transportation Research Part C: Emerging Technologies. Article in Press, Corrected Proof.