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Une application de la métrique circum-radiale à l'étude des déplacements urbains

Author

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  • Jacques-François Thisse
  • Jacky Perreur

Abstract

[fre] Une application de la métrique circum-radiale à l'étude des déplacements urbains. . Dans un certain nombre de villes, la métrique rectilinéaire peut être utilisée pour analyser les déplacements. Toutefois, pour les villes anciennes, cette représentation ne convient pas. Pour se rendre d'un point à un autre, les agents passent par le centre ou par le périphérique de manière à minimiser le coût (ou temps) de transport. Dans ce cas, la métrique circum-radiale est bien adaptée pour exprimer un tel choix. Dans cet article, la répartition du trafic, en fonction des coûts respectifs, entre le passage par le centre ou par le périphérique, est étudiée pour un déplacement particulier et pour un déplacement moyen. Ce modèle est étendu aux cas où les coûts, sur le périphérique et sur les radiales, varient par secteur et au cas où la circulation est interdite dans le centre-ville. [eng] An application of the circum-radial metric to intra city traffic. . The rectilinear metric may be an appropriate instrument for the analysis of intra city movements in a number of modem towns. However, in the case of older towns, this instrument is inadequate since movements from one place to another can take place only through the center of the town or along a ring built around the town. The choice between these two alternative routes is made so as to minimize the total transportation cost (including time). In such cases, the circum-radial metric appears to be a suitable instrument.. In this article, the circum-radial metric is used to study the distribution of traffic along alternative routes. Differential costs and different barriers to traffic are explicitly considered.

Suggested Citation

  • Jacques-François Thisse & Jacky Perreur, 1974. "Une application de la métrique circum-radiale à l'étude des déplacements urbains," Revue Économique, Programme National Persée, vol. 25(2), pages 298-315.
  • Handle: RePEc:prs:reveco:reco_0035-2764_1974_num_25_2_408145
    DOI: 10.3406/reco.1974.408145
    Note: DOI:10.3406/reco.1974.408145
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