1. World Health Organization (2009) Global status report on road safety, Switzerland
2. Cabinet Office 2008 (2008)—White paper on traffic safety in Japan, Government of Japan
3. GB/T 20839-2007 (2007) Intelligent transport systems—general terminology (in Chinese)
4. COM (2003) 311 (2003) European road safety action programme, halving the number of road accident victims in the European Union by 2010: a shared responsibility
5. DIRECTIVE 2010/40/EU (2010) Directive 2010/40/EU of the European parliament and of the council of 7 July 2010 on the framework for the deployment of intelligent transport systems in the field of road transport and for interfaces with other modes of transport