1. Cabinet office, Evaluation of matters that should be emphasized in order to create an environment where traffic accidents are unlikely to occur (Road traffic), Evaluation report on the 10th Traffic Safety Basic Plan (2020), pp. 291-321(in Japanese).
2. Cabinet Office, Overview of Current Road Traffic Safety Measures, White Paper on Traffic Safety in Japan 2021 (2021), pp. 28-60(in Japanese).
3. Cabinet office Counselor of Traffic safety measures with Policy Director of Symbiotic social policy, Examples of efforts by outcome index, Survey report on promotion of traffic safety plans that contribute to solving local issues (2021), pp. 28-60(in Japanese).
4. Ebara, Y., Ito T. and Narita, R., Extraction of the potential accident black spot in the expressway of Hokkaido using ETC2.0 probe data, Japan Society of Traffic Engineers Journal of Traffic Engineering, Proceedings of 36th Annual Congress (2016), pp. 223-227 (in Japanese).
5. Hatanaka, H., Hirasawa, T., Manabe, Y., Watanabe, Y., Inoue, H., Takenaka, N. and Kawasaki, K., A study of safe driving support service using probe data，6th ITS Symposium 2007 (2007) , pp. 321-326 (in Japanese).