Weighted Network Model of Urban Traffic

Abstract:

We study the urban sub-traffic network, which amounts to 140 crossroads among the total ones in Beijing traffic organization. And an undirected, weighted network representation is adapted to the Beijing urban transportation network, where the vertices (nodes) correspond to the chosen crossroads and the weighted edges (links) to the travel speed among them. The complementary cumulative distribution and correlation of the topological structure are analyzed revealing that the network presents small-world property. The statistical properties of the network structure exhibit that there is linear, positive correlation between the strength of some node and the average strength of its neighbors. It is demonstrated that the weight-balance relations of the nodes conform to power-law distribution. Besides, for the communities (consisting definite number of nodes and the links completely connecting them), the average strength of the nodes is linearly proportional to the mean weight of the links.

• Periodical: Applied Mechanics and Materials (Volumes 178-181)
• Pages: 2637-2642
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.178-181.2637
• Online since: May 2012
• Authors: Jun Song, Jun Feng Wang, Tong Lin He, Meng De Deng
• Keywords: Community Properties, Linear Correlation, Power Law Distribution, Urban Traffic System

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