1. Commission of the European Communities: ‘Action plan for the deployment of Intelligent Transport Systems in Europe’. Tech. Rep. COM(2008) 886
2. European Parliament: ‘Framework for the deployment of Intelligent Transport Systems in the field of road transport and for interfaces with other modes of transport’ Directive 2010/40/EU 2010
3. US Department of Transportation: ‘ITS Strategic Research Plan 2010 – 2014’ 2010
4. ISO IS 21217: ‘Communications access for land mobiles (CALM) – Architecture’ 2010
5. ISO IS 21215: ‘Communications access for land mobiles (CALM) – M5’ 2010