Abstract
This paper discusses the issue of statistical analysis of traffic flow in different regions of Poland. Such analysis allows us to identify “valuable (sensitive) areas” whose damage or blockage may provoke considerable disturbances or even a stoppage of traffic flow in the examined road network. The results of the studies indicate that the road network in Poland has the properties of a scale-free network. The distribution of the examined variables does not have a normal character, whereas the relationship between the number of nodes and the number of connections is a power-law feature.
Highlights
This paper discusses the issue of statistical analysis of traffic flow in different regions of Poland
The spatial structure of the transport network, its distinctive roles of nodes and connection with actual traffic flows are the primary interests of geographic inquiry [15]
The research was examined on the latest general traffic measurements performed in 2010 at 4,637 points, where 33,200,289 passages of vehicles were counted to assess the road network traffic in Poland
Summary
Examples of networks include the Internet, roads, railways, air transport systems, energy transmission systems and social networks. A network model allows reflecting objects which are spatially diverse and have a distinct centre, and/or varied connections between such objects. Studies of network structure are a very interesting topic for scientists all over the world. Examples include the structure of the Internet [1], criminal groups [2, 3], cyber-terrorism [1], social groups [4,5,6], trade [7,8,9], railroads and gas/oil pipeline systems [10], energy networks [11,12], scientific cooperation networks [13], citation networks [14] and many others
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