As the public transport authority for Paris and the Ile-de-France region, it is responsible for organisation of all modes of transport serving a population of 11 million making 3·2 billion journeys annually. Formerly Syndicat des Transports d'Ile-de-France (STIF), it was renamed in 2017.

Address
39 bis, 41 rue de Châteaudun
75009 Paris
France
Phone
+33 1 47 53 28 00
Fax
+33 1 47 05 11 05
Email
stif@stif-idf.fr
Website
www.iledefrance-mobilites.fr