| Country | Organization name | Link |
| Austria | BMK – Bundesministerium für Klimaschutz, Umwelt, Energie, Mobilität, Innovation und Technologie | |
| AustriaTech – Gesellschaft des Bundes für technologiepolitische Maßnahmen GmbH | |
| Autobahnen- und Schnellstraßen-Finanzierungs-Aktiengesellschaft (ASFINAG) | |
| Belgium | Federal Public Service Transport and Mobility | |
| National Geographical Institute | |
| Belgium | Flemish government – Department Mobility and Public Works | |
| Bulgaria | Road Infrastructure Agency | |
| Croatia | Ministry of the Sea, Transport and Infrastructure | |
| Croatian Roads Ltd | |
| Cyprus | Public Works Department, Ministry of Transport, Communication and Works (PWD) | |
| University of Cyprus – The KIOS Research and Innovation Centre of Excellence | |
| Czechia | Ministry of Transport of the Czech Republic | |
| Roads and Motorway Directorate | |
| Denmark | Danish Road Directorate | |
| Estonia | Estonian Transport Administration | |
| Finland | Fintraffic | |
| Finnish Transport and Communications Agency Traficom | |
| Finnish Transport Infrastructure Agency | |
| France | Ministère des transports | |
| Cerema | |
| IGN | |
| Association des Sociétés Françaises d’Autoroutes | |
| Germany | Federal Highway Research Institute (BASt) | |
| Germany | Die Autobahn GmbH des Bundes | |
| Greece | Hellenic Ministry of Infrastructure & Transport | |
| Centre for Research and Technology Hellas – Hellenic Institute of Transport | |
| National Technical University of Athens | |
| Greece | Egnatia Odos AE | |
| Hungary | Ministry of Technology and Industry | |
| Hungarian Public Roads | |
| Ireland | Department of Transport | |
| Transport Infrastructure Ireland | |
| National Transport Authority | |
| Italy | Ministry of Infrastructure and Sustainable Mobility | |
| SINA S.p.A. | |
| Aiscat Servizi S.r.l. | |
| Autostrada del Brennero S.p.A. | |
| Autostrade per l’Italia S.p.A. | |
| Movyon S.p.A. | |
| Cefriel S.c.a.r.l. | |
| QMap S.r.l. | |
| Sinelec S.p.A. | |
| S.p.A. Autovie Venete | |
| 5T S.r.l. | |
| Latvia | Latvian State Roads | |
| Lithuania | Lithuanian Road Administration | |
| Luxembourg | Ministry of Mobility and Public Works | |
| Netherlands | National Road Traffic Data Portal | |
| DOVA | |
| Dienst Wegverkeer | |
| CROW | |
| Malta | Transport Malta | |
| Poland | General Directorate for National Roads and Motorways | |
| Portugal | Institute for Mobility and Transport (Ministry of Infrastructure and Housing) | |
| IMT – Institute for Mobility and Transport | |
| Armis | |
| TIS | |
| Romania | Ministry of Transport and Infrastructure | |
| National Company of Road Infrastructure Administration (NCRIA) | |
| Romanian Road Authority (RRA) | |
| ITS Romania | |
| Electronic solutions (ELSOL) | |
| Slovenia | Ministry of Infrastructure | |
| Spain | Dirección General de Tráfico | |
| Sweden | Swedish Transport Administration | |
| Swedish Transport Agency | |
| United Kingdom | National Highways Limited | |
| ERTICO ITS Europe | |
| Information Technology for Public Transport | |
| UITP (International Association of Public Transport) | |
| Norway | Norwegian Public Roads Administration (Associated Partner) | |
| Switzerland | Federal Roads Office (Associated Partner) | |
| Slovak Republic | Ministry of transport and construction of the Slovak Republic (Associated Partner) | |
