1. JSCE (Japan Society of Civil Engineers), Survey Report on Damages due to Hanshin Huge Earthquake, Material for Urgent Meeting to Report Damaged Conditions, February. (1995).
2. IATSS, Research Report: Study on Road Traffic Management against Earthquake based on Actual Damaged Conditions Following Hanshin-Awaji Earthquake, March. (1998).
3. Iida, Y. and Kurauchi F. Development of Traffic Management System in an Emergency, Confronting Urban Earthquakes, Report of Fundamental Research on the Mitigation of Urban Disasters Caused by Near Field Earthquakes, pp.202–209, March. (2000).
4. IATSS, Research Report: Study on Personal Passenger Car Traffic Regulation Following the Great Earthquake Disaster, June. (2000).