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The structure of inter-urban traffic: a weighted network analysis

De Montis, Andrea and Barthélemy, Marc and Chessa, Alessandro and Vespignani, Alessandro The structure of inter-urban traffic: a weighted network analysis. Working Paper # /2005 ArXiv (Unpublished)

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We study the structure of the network representing the interurban commuting traffic of the Sardinia region, Italy, which amounts to 375 municipalities and 1,600,000 inhabitants. We use a weighted network representation where vertices correspond to towns and the edges to the actual commuting flows among those. We characterize quantitatively both the topological and weighted properties of the resulting network. Interestingly, the statistical properties of commuting traffic exhibit complex features and non-trivial relations with the underlying topology. We characterize quantitatively the traffic backbone among large cities and we give evidences for a very high heterogeneity of the commuter flows around large cities. We also discuss the interplay between the topological and dynamical properties of the network as well as their relation with socio-demographic variables such as population and monthly income. This analysis may be useful at various stages in environmental planning and provides analytical tools for a wide spectrum of applications ranging from impact evaluation to decision-making and planning support.

Item Type: Working Paper (Working Paper)
Uncontrolled Keywords: PACS numbers: 89.75.-k, -87.23.Ge, 05.40.-a
Subjects: H Social Sciences > H Social Sciences (General)
Q Science > QC Physics
Research Area: Economics and Institutional Change
Depositing User: Ms T. Iannizzi
Date Deposited: 10 Dec 2014 14:37
Last Modified: 10 Dec 2014 14:37
URI: http://eprints.imtlucca.it/id/eprint/2406

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