Mobilités urbaines et planification : le cas de N'Djamena

Abstract : The relation of the individual to his urban environment, already complex, is more complex today because of the proliferation of new mobility practices. New urban spaces are created, supported by policies, cultures and resources.To be convinced of it, we need to remember that the ability to move is an essential right of any individual, a condition of survival of all societies which determines the degree of development of the territory. Our study attempts to show how each type of actor concerned designs and organizes the link between mobility and territory. We study how different strategies are part of the urban space and help us to better understand its strengths and limitations, and how to practice urban mobility. We offer reading grids of the latterbased on the case of the city of N'Djamena, the capital of Chad.This study deals with urban mobility from the analysis of the current transport system functioning, as well as urban management and adaptation strategies tomobilities by the population of N'Djamena. Different strategies are implemented both by the population and by transport operators who are often individuals working in collaboration with various unions. To consider the various socio-spatial aspects and issues of urban mobility practices through the city of N'Djamena, it has been relevant and heuristic to cross the different tools and disciplines of urban planning, sociology, geography and transportation engineering. Space is never given, it is always built. This work thus attempts to define at first the various concepts related to urban mobility – sometimes confused, often antagonistic –, their origins and their interpretations. We demonstrate that mobility is as a concept rising social, urban planning, economic and geographical issues, amongst others. Secondly, this work analyzes the modalities of adaptation of the population to transport offers, in a context of increasing deficiencyconditions in planning, management and conveyancethroughout the city of N'Djamena. Thus, this study addresses the shortcomings of Chadian capital transport system as well as the adaptation strategies of the population, particularly within the periphery that is the 1st, 8th and 9th districts.This study analyzes the origins and causes of the proliferation of bikecabs within the transport system. The latter, appeared in the seventies, is today a practice that evolves between citizen acceptance and political refusal.
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Hassane Mahamat Hemchi. Mobilités urbaines et planification : le cas de N'Djamena. Architecture, aménagement de l'espace. Université Michel de Montaigne - Bordeaux III, 2015. Français. ⟨NNT : 2015BOR30011⟩. ⟨tel-01222332⟩

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