1. Comprehensive Urban Transportation Planning Council Chukyo Metropolitan Area. (1971, 1981, 1991, 2001). Person Trip Survey Data in Chukyo Area of Japan, First, Second, Third and Fourth.
2. Gifu City . (1983). Transportation Overall Policy Planning and Evaluation Division, Report of 1983 Gifu Regional Integrated Transportation System, Gifu City.
3. Gifu City . (1994). Transportation Overall Policy Planning and Evaluation Division, Report of 1994 Gifu Regional Integrated Transportation System, Gifu City.
4. Gifu City Planning Department. (1980). The Second Urban Master Plan for Gifu City: Gifu Literary Publisher.
5. Gifu City Planning Department. (1986). The Third Urban Master Plan for Gifu City: Gifu Literary Publisher.