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La ville et sa rocade : un projet d'infrastructure au risque du temps long : le cas de Marseille

Abstract : The by-passes, ring roags and other beltways are quite frequent in the urban road network. Most of the cities want their by-pass, considered as a magic ring to reduce the congestion in the city-centre. but at the same time, only few of them are equipped with a complete ring, and the infrastructure is also highly criticized. In Marseille, the L2 bypass story line is symptomatic of this ambiguous relation between the city and its bypass. This study case reveals at the same time the project continuity (in the plans since more than 80 years), and its changes (from the circular boulevard to the integrated urban highway). Through the analysis of this project, our work answers a double ambition. The first one is to interrogate the dynamics of interaction between infrastructure and territory over the long time, taking the hypothesis that the project, examined in its temporal evolution, will give us to see these dynamics. We will rebuild the story of the by-pass object, its genesis and its evolutions, taking into consideration jointly the transformations of the city and of the roadway system. The second one is to contribute to a better comprehension of the development processes of the transport infrastructures. By focusing our research on the transformations of the project, we will show the strategies of development elaborated to adapt the project to the dynamics of co-evolution city/roadway, and their limits which are due to the failures of a flexible planning
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Submitted on : Tuesday, January 3, 2012 - 11:07:22 AM
Last modification on : Saturday, January 15, 2022 - 4:07:29 AM
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  • HAL Id : pastel-00655943, version 1


Stéphanie Leheis-Guillot. La ville et sa rocade : un projet d'infrastructure au risque du temps long : le cas de Marseille. Architecture, aménagement de l'espace. Université Paris-Est, 2011. Français. ⟨NNT : 2011PEST1144⟩. ⟨pastel-00655943⟩



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