AICCF/IRCA : International Railway Congress Association AIPCR/PIARC : World Road Association BEST: Benchmarking European Sustainable Transport  CER-CCFE : Community of European Railways ELTIS : The European Local Transport Information Service ERTICO : European Road Transport Telematics Implementation Co-ordination Organisation European Commission, DG Transport and Energy EU Transport Research Programmes ECMT : European Conference of Ministers of Transport LiRa: International Network of Light Rail Cities LRTA : Light Rail Transit Association Metropolis : World Association of the Major Metropolises OECD: Climate change and sustainable transport POLIS : European Cities and Regions Networking for New Transport Solutions UITP : International Union of Public Transport UIC : International Union of Railways United Nations Economic Commission for Europe UNIFE : Union of European Railways Industries Urban Audit of the European Commission WHO: World Health Organisation (Transport, Environment and Health)