De la pertinence des mesures gravitaires de l'accessibilité: démonstration par la théorie et l'exemple

Aurelie Mercier (), Charles Raux () and Nicolas Ovtracht ()
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Charles Raux: LET - Laboratoire d'économie des transports - UL2 - Université Lumière - Lyon 2 - ENTPE - École Nationale des Travaux Publics de l'État - CNRS - Centre National de la Recherche Scientifique
Nicolas Ovtracht: LET - Laboratoire d'économie des transports - UL2 - Université Lumière - Lyon 2 - ENTPE - École Nationale des Travaux Publics de l'État - CNRS - Centre National de la Recherche Scientifique

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Abstract: This paper argues for the interest of gravity accessibility index associated to GIS in economic assessment. In a first part the article proves that gravity accessibility indicators are consistent with the Surplus Theory. Then gravity accessibility calculations are made on Strasbourg area before and after tram lines implementations. These calculations underline both the possibility to take into account the population heterogeneity with a semi-disaggregated analysis and the possibility to consider a detailed zonal approach with an appropriated GIS. Cartographic illustrations of results underline that GIS are interesting tolls to take public decisions.

Keywords: gravity accessibility; GIS; transport policies; urban policies; accessibilité gravitaire; surplus de l'usager; évaluation économique; politiques de transport; politiques urbaines; SIG; Strasbourg (search for similar items in EconPapers)
Date: 2008
Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-00283260
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Published in Department for Urban Structure and Transport Planning (Ed). Mobil.TUM 2008. International Conference on Mobility and Transport, April 8-9, 2008, Munich, Germany, 2008, Munich, Allemagne

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