UIC, the International Union of Railways, founded in 1922 and based in Paris, currently brings together 200 member railways – integrated companies, operators, Infrastructure managers – from over 90 countries and all 5 continents. Its main mission consists of promoting the development of rail transport across the world and organising international co-operation among its members. The main projects focus on technical harmonisation and international railway standards, research, development of freight (international corridors) and passenger business (including high speed), sustainable transport, safety and security, expertise development and education. UIC develops close co-operation links with over 50 international organisations and professional associations and has consultative status to the United Nations.