The aim of this paper is to investigate the features of business establishments located
along the Japan National Route as applied research of regional aggregation analysis using small region data of various public statistics freely available from government portal site for GIS software.
Analysis results revealed that by departing from the national road both the number of establishments and the number of employees are decreasing. In addition, the decreasing trendlargely changes around 2000 m - 2200 m buffer, that is, there is an inflection point of decrease, the tendency is obviously different between before and after that.