Optile (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