UITP is the international organisation for public transport authorities and operators, policy decision-makers, scientific institutes and the public transport supply and service industry. UITP supports a holistic approach to urban mobility and advocates for public transport development and sustainable mobility.

UITP represents an international network of 3,400 members located in 92 countries and covers all modes of public transport – metro,light rail, regional and suburban railways, bus,and waterborne transport.It also represents collective transport in a broader sense.