Abstract
Subway systems play a very important role in development of modern cities. Their spatial structure changes and transforms as system grows. Subway networks are key components in evolution of cities’ spatial structure. It must be mentioned that current design of the most world’s subways doesn’t match with their original plan. In this article we make a comparative analysis of spatial structures’ evolution for world’s biggest subway networks in: Shanghai, Beijing, Tokyo, Seoul, London, and New York. Analysis is based on comparing the quantitative and qualitative properties of networks. Methodology used in this research is based on the works of K. Kansky and S. Tarkhov. The key component of the research is transforming of network to graph using GIS-technologies. Networks were compared on several topological indicators. The results let us find the key moments of networks’ spatial structures development and divide them into several groups.
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