| International | |
| European Commission / DG Mobility and Transport (DG MOVE) |
| ITF (International Transport Forum) |
| |
| National | |
Albania | Ministry of Transport and Infrastructure |
Andorra | Ministry of Public Administration, Transport and Telecommunications |
Armenia | Ministry of Transport and Communication |
Austria | Federal Ministry for Transport, Innovation and Technology |
| Azerbaijan | Ministry of Transport, Communications and High Technologies of the Republic of Azerbaijan |
Belarus | Ministry of Transport and Communications |
Belgium | Le Service public fédéral (SPF) Mobilité et Transports |
Bosnia and Herzegovina | Ministry of Communications and Transport |
Bulgaria | Ministry of Transport, Information Technology and Communications |
Canada | Transport Canada |
Croatia | Ministry of Maritime Affairs, Transport and Infrastructure |
Cyprus | Ministry of Communications and Works |
Czech Republic | Ministry of Transport |
Denmark | Ministry of Transport, Building, and Housing of Denmark |
Estonia | Ministry of Economic Affairs and Communications |
Finland | Ministry of Transport and Communications |
France | Ministère de la Transition écologique et solidaire |
Georgia | Ministry of Economy and Sustainable Development |
Germany | Federal Ministry of Transport and Digital Infrastructure |
Greece | Ministry of Infrastructure, Transport and Networks |
Hungary | Ministry of National Development |
Iceland | Ministry of the Interior |
Ireland | Department of Transport, Tourism and Sport |
Israel | Ministry of Transport and Road Safety |
Italy | Ministry of Infrastructure and Transport |
Kazakhstan | Ministry of Investment and Development |
Kyrgyzstan | Ministry of Transport and Communications |
Latvia | Ministry of Transport |
Liechtenstein | Ministry of Infrastructure, Environment and Sport |
Lithuania | Ministry of Transport and Communications |
Luxembourg | Ministère du développement durable et des infrastructures |
Malta | Ministry for Transport and Infrastructure |
| Monaco | Ministry of Public Works, the Environment and Urban Development |
| Montenegro | Ministry of Transport and Maritime Affairs |
Netherlands | Ministry of Infrastructure and the Environment |
Norway | Ministry of Transport and Communications |
Poland | Ministry of Infrastructure and Development |
Portugal | Ministry of Economy |
Republic of Moldova | Ministry of Transports and Road Infrastructure |
Romania | Ministry of Transport |
Russian Federation | Ministry of Transport |
San Marino | Ministry of Foreign Affairs |
Serbia | Ministry of Construction, Transport and Infrastructure |
Slovakia | Ministry of Transport and Construction |
Slovenia | Ministry of Infrastructure |
Spain | Ministère du Développement (FOMENTO) |
Sweden | Ministry of Enterprise and Innovation |
Switzerland | Federal Department of the Environment, Transport, Energy and Communications (DETEC) |
Tajikistan | Ministry of Transport |
The former Yugoslav Republic of Macedonia | Ministry of Transport and Communications |
Turkey | Ministry of Transport Maritime Affairs and Communications |
Turkmenistan | Ministry of Railways of Turkmenistan |
| Ministry of Road Transport of Turkmenistan |
Ukraine | Ministry of Infrastructure |
United Kingdom | Department for Transport |
United States | Department of Transportation |
| Uzbekistan | Ministry of Transport of the Republic of Uzbekistan |