('''Organisation Professionnelle des Transports d'Île-de-France''', or Professional Transport Organisation of
Île-de-France ) is a
Public Transport organisation, created in October 2000 from a merger between several private bus companies serving
Suburban Paris . It regulates bus routes under the authority of
STIF , the
Francilian transport authority.
- 1,070 bus lines
- 1,100 of the 1,300 Communes of Île-de-France served
- 24,000 bus stops
- 250 million passenger journeys per year
