鐵道旅客の交通圈について

北海道の鐵道旅客交通の場合

抄録

In arailway system, the place where a stream of travellers is cut into two is a traffic divide. It may be determined by the direction of passen-gers' flow. Since the normal movement of traffic becomes clear and definite at the traffic divide. It may be used to determine the limit of the umlands of a city.
The auther astablislied the limits of umlands on Sapporo, Hakodate; Obihiro and many other cities and towns all over Hokkaido (Fig. 1). He investigated the number of passengers and their destinations at each rail-way station. in the unlands of main cities Fig. 2 shows the relation found in the main cities' umlands, between the distances from the central city to each station and the ratio of passengers going to the central city to all Specifically he investigated the railway passengers in the urnlands of Sapporo and those of Obihiro in detail (Fig. 3). The integrated area having a central city as its core, such as the umland of sapporo, or of Obihiro is deinonstrated by the pattern of passengers' flow and its traffic divide. This integrated area may be called a traffic community.