1. Korean Statistical Information Service: https://kosis.kr/
2. National Automotive Sampling System (NASS)/Generalized Estimation System (GES): https://crashstats.nhtsa.dot.gov/#!/PublicationList/107
3. National Highway Traffic Safety Administration (NHTSA) Fatal Analysis Reporting System (FARS): https://www-fars.nhtsa.dot.gov/Vehicles/VehiclesLocation.aspx
4. Vaa, T., Penttinen, M., Spyropoulou, I.: Intelligent transport systems and effects on road traffic accidents: state of the art. IET Intell. Transp. Syst. 1(2), 81–88 (2007)
5. Neale, V.L., Dingus, T.A., Klauer, S.G., Sudweeks, J., Goodman, M.: An overview of the 100 car naturalistic study and findings. Presented at the Proceedings 19th International Technical Conference Enhanced Safety Vehicles, Washington, DC, Paper 05-0400 (2005)