1. L'OPTIMISATION DES FRÉQUENCES D'UN RÉSEAU DE TRANSPORT EN COMMUN MOYENNEMENT CONGESTIONNÉ.
- Author
-
Noriega, Yolanda and Florian, Michael
- Subjects
PUBLIC transit ,TRAFFIC engineering ,TRANSPORTATION ,MATHEMATICAL optimization ,URBAN transportation ,TRANSPORTATION engineering ,ENGINEERING - Abstract
This paper addresses the problem of the frequency optimization of transit lines in a congested transit network. We consider the transit frequency optimization model proposed by Constantin and we modify it to consider vehicles capacity indirectly. The model is formulated as a two levels Min-Min optimization problem with the same objective function at both levels. This function represents the transportation time including a congestion penalty. The upper level corresponds to the transit operator's optimization problem and the lower level describes the users' behavior. A descent direction for the problem is obtained by using sensitivity analysis of the lower level problem. Computational results are presented for the Winnipeg (Canada) and the Stockholm (Sweden) transit networks. [ABSTRACT FROM AUTHOR]
- Published
- 2003
- Full Text
- View/download PDF