| Albania | Ministry of Public Works, Transport and Telecommunications |
| Austria | Ministry of Transport, Innovation and Technology |
| Belgium | Ministry of the Flemish Community |
| Bosnia & Herzegovina | Ministry of Communications and Transport |
| Bulgaria | Ministry of Transport |
| Czech Republic | Ministry of Transport and Communications |
| Croatia | Ministry of the Sea, Tourism, Transport and Development |
| Denmark | Ministry of Transport |
| Estonia | Ministry of Economic Affairs and Communications |
| Finland | Ministry of Transport and Communications |
| France | Ministry of Transport, Tourism, Equipment and Sea |
| Germany | Ministry of Transport |
| Greece | Ministry for the Environment, Physical Planning and Public Works |
| Hungary | Ministry of Economy and Transport |
| Ireland | National Road Authority |
| Italy | Ministry of Infrastructure and Transport |
| Latvia | Ministry of Transport |
| Lithuania | Ministry of Transport and Communications |
| Luxembourg | Ministry of Transport |
| Macedonia | Ministry of Transport and Communications |
| Moldova | Ministry of Transport |
| Malta | Ministry for Competitiveness and Communication |
| Norway | Ministry of Transport & Communications |
| Poland | Ministry of Transport and Construction |
| Portugal | General Directorate of Land Transport |
| Romania | Ministry of Transports, Constructions and Tourism |
| Russia | Ministry of Transport |
| Serbia & Montenegro | Ministry Maritime Affairs, Transportation and Telecommunication |
| Slovenia | Ministry of Transport |
| Slovakia | Ministry of Transport, Posts and Telecommunications |
| Spain | Ministry of Public Works |
| Sweden | Ministry of Enterprise, Energy and Communications |
| Switzerland | Federal Administration - Department of Environment, Transport, Energy and Communications |
| The Netherlands | Ministry of Transport, Public Works & Water Management |
| Turkey | Ministry of Transport |
| Ukraine | Ministry of Transport and Communication |
| United Kingdom | The Department for Transport |
