The Commonwealth Member States Rail Transport Council (CSZT) Organization for Cooperation of Railways (OSJD) International Union of Railways (UIC) Eurasian Economic Union (EAEU) United Nations Economic Commission for Europe (UNECE) UN Economic Commission for Asia and the Pacific (UNESCAP) Shanghai Cooperation Organisation (SCO) Organization of turkic states (OTS) Intergovernmental Commission Transport corridor "Europe — Caucasus— Asia" (IPC TRACECA)