In 1955, I have studied the structure of communication in Kôga district, Shiga Prefecture.
Tokaido (National Highway No.1), Tsuge-Kusatsu line (The Prefectural Road No.91), and Kusatsu line (J.N.R.) pass through this district. Moreover, this district is united by natural condition, so that it is suitable for a geographical survey.
The conclusion I arrived at is as follow:
1. This district is localized by its natural circumstances which form obstacles to mass transportation.
2. As upper strata of communication, this district belongs to Urban Zone and Commercial Zone of Kyoto-Otsu Area.
3. As middle strata, the network of bus-transportations is developing in this district, which has railroad stations as cores. The bus network also forms the regional structure of Minakuchi area.
4. As lower strata, daily communication is done by cycles which have 2-4km radius from the local cores. This makes the daily communication zone (you may regard this term as commercial zone or consumption zone), and its form is concerned with the road network.
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