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Transit Frequencies Design for Enhancing the Efficiency of Public Urban Transportation Systems: An Optimization Model and an Algorithm
Published June 02, 1998 by ISATA - Dusseldorf Trade Fair in United Kingdom
Event: ISATA 1998
In recent years network design problems have received growing consideration due to the possibility of finalizing resources destined for the transport system, for the pursuit of specific issues of efficiency: reduction of travel time, of congestion, of pollution, and of consumption.
The main efforts have been channeled towards the road network design and various techniques have been put forward, whereas little attention has been given to the public transportation system.
In this paper a frequencies design model for a transit system is described. After the introduction, where the sate of the art is examined, in the second section general definitions and notations are posed, the frequencies determination problem is formulated as an optimization problem and the user's behavior model used in the urban area is summarized.
In the last section, a solving approach for the proposed model is analyzed and preliminary results obtained in an urban area are discussed and issues for improvement are presented.