- European Commission, DG Mobility and Transport - the European Commission's department that focuses on transport, in general.

- European Commission, DG Environment - the European Commission's department that focuses on environment, including air pollutant emissions and noise from transport.

- European Commission, DG Climate Action - the European Commission's department that focuses on climate change, including greenhouse gas emissions from transport.

- European Commission, DG Health and Consumers - the European Commission's department that focuses on health.

- European Environment Agency - The EEA is an agency of the European Commission that focuses on monitoring Europe's environment.

- European Investment Bank - The EIB is the European Union's bank and is owned by, and represents the interests of, the EU's Member States.

- European Bank for Reconstruction and Development - The EBRD's shareholders are countries from both within Europe and elsewhere in the world, as well as the EU and EIB.

- International Transport Forum - An intergovernmental organisation and think tank that evolved out of the European Conference of Ministers of Transport (ECMT).

- World Heath Organization/ Regional Office for Europe - WHO leads on health within the United Nations system; its RoE had a transport and health page.

- UN Economic Commission for Europe's Transport, Health and Environment Pan-European Action Plan - The UNECE's THE PEP aims to make the links betwen, transport, health and the environment and act as a means of share practice and experience.

- Regional Environmental Center for Central and Eastern Europe - The REC is an international organisation that aims to address environmental issues in Central and Eastern Europe.