| Albánia | Ministry of Public Works, Transport and Telecommunications |
| Ausztria | Ministry of Transport, Innovation and Technology |
| Belgium | Ministry of the Flemish Community |
| Bosznia & Herzegovina | Ministry of Communications and Transport |
| Bulgária | Ministry of Transport |
| Csehország | Ministry of Transport and Communications |
| Dánia | Ministry of Transport |
| Egyesült Királyság | The Department for Transport |
| Észtország | Ministry of Economic Affairs and Communications |
| Finnország | Ministry of Transport and Communications |
| Franciaország | Ministry of Transport, Tourism, Equipment and Sea |
| Görögország | Ministry for the Environment, Physical Planning and Public Works |
| Hollandia | Ministry of Transport, Public Works & Water Management |
| Horvátország | Ministry of the Sea, Tourism, Transport and Development |
Írország | National Roads Authority |
| Lengyelország | Ministry of Infrastructure |
| Lettország | Ministry of Transport |
| Litvánia | Ministry of Transport and Communications |
| Luxemburg | Ministry of Transport |
| Magyarország | Ministry of Transport |
| Makedónia | Ministry of Transport and Communications |
| Málta | Ministry for Competitiveness and Communication |
| Moldávia | Ministry of Transport |
| Németország | Ministry of Transport |
| Norvégia | Ministry of Transport and Communications |
| Olaszország | Ministry of Transport |
| Oroszország | Ministry of Transport |
| Portugália | General Directorate of Land Transport |
| Románia | Ministry of Transports, Constructions and Tourism |
| Spanyolország | Ministry of Public Works |
| Svájc | Federal Administration - Department of Environment, Transport, Energy and Communications |
| Svédország | Ministry of Enterprise, Energy and Communications |
| Szerbia & Montenegro | Ministry Maritime Affairs, Transportation and Telecommunication |
| Szlovénia | Ministry of Transport |
| Szlovákia | Ministry of Transport, Posts and Telecommunications |
| Törökország | Ministry of Transport |
| Ukrajna | Ministry of Transport and Communication |
