Changes in economic structures, lifestyles and some other factors provoke rapid transition of the urban and regional environment. This situation results in such as imbalance of regional structure, expansion of traffic congestion and deterioration of living environment. We collect a broad range of information on the current status of transportation, environment, city and region in order to design basic plans for infrastructure development and legal systems to build a prosperous and comfortable society for the future. The following are our main fields of business.