Transit route network design-maximizing direct and transfer demand density

Document Type

Journal Article

Publication Date


Subject Area

place - asia, planning - network design, planning - route design


Transit network design, Demand density, Transfer coefficient, ACO


Transit network design is an important part of urban transportation planning. The purpose of this paper is to build on direct traveler density model and extend it to design transit network considering demand density relating to direct demands and transfers, and lengths of routes. The proposed method aiming to maximize demand density of route under some resource constraints divides transit network design problem into three stages, i.e., skeleton route design, main route design and branch route design, based on the objective functions with different transfer coefficients. An ant colony optimization (ACO) is used to solve the model. The model and algorithm are illustrated with data from Dalian city, China and results show that the approach can improve the solution quality if the transfer coefficient is reasonably set.


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


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