日本建築学会計画系論文集
Online ISSN : 1881-8161
Print ISSN : 1340-4210
ISSN-L : 1340-4210
非線引き都市における立地適正化計画の活用による人口分布の郊外化抑制の取組みに関する研究
大塚 佳祐星 卓志野澤 康
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ジャーナル フリー

2021 年 86 巻 783 号 p. 1495-1505

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In this research,examines the possibility of land use control used in conjunction with Location Optimization Plan (LOP) to reduce sprawl in Loose Regulation Area(LRA), based on an understanding of the reality of suburbanization in Non Area-divided Cities.

The method of this research is to conduct a questionnaire survey of Non Area-divided Cities created and published as of May 2019 to understand their attitudes toward the use of LOP and other factors, and then analyze cities that have land use control in their LRA, (including an analysis of population change from 1995 to 2015 for residential guide area acreage and City Planning Area, Zoning Area, LRA, and DAA using GIS), especially those cities that are considered to have land use control with the intention of discouraging sprawl-like development.

As a result, the following points became clear.

With the exception of a few cities, the majority of cities have not reviewed their land use planning systems in conjunction with the preparation of LOP, and LRA tended to make little use of land use control methods and had weak recognition, while aiming to maintain the status quo of their living environment.

Population trends reveal that suburbanization is still in progress, with the majority of cities in the LRA having higher population ratios, and the lack of control of sprawl through land use control methods in the LRA is thought to be a factor in the progress of suburbanization.

On the other hand, in some cities, land use control methods have been developed in conjunction with the LOP, such as the Dwelling Control Area to prevent the conversion of land into residential land in the LRA, strengthening the regulations in the Specific Usage Limitation Area, and clarifying the existing regulatory basis through the city’s own ordinances.

Based on the above, we believe that the preparation of a LOP in Non Area-divided Cities is a potential anti-sprawl measure for

1.The LOP should be used as an opportunity to clarify the issues of urban change and the direction of guidance, and the corresponding land use control system should be introduced.

2.Strengthen the rationality of the traditional method of maintaining land use order by establishing DAA.

In Non Area-divided Cities, it is difficult to define the nature of land use in LRA, and there are many cities where the population has become more dispersed.

Even though there is a concern about population outflow to LRA and sprawl due to residential development, we have to be cautious about land use control, but we should take the preparation of the LOP as an opportunity to strengthen the regulation and consider the use of land use control methods.

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