- Offering customer-friendly, reliable, comfortable and modern transportation across all twelve municipalities in the Saint-Quentin-en-Yvelines conurbation.
million passengers per year
bus routes and 11 schoolbus routes
In order to ensure the best possible travel conditions for all twelve municipalities in the Saint-Quentin-en-Yvelines conurbation outside of Paris and to promote local economic growth, SQYBUS – an RATP Dev subsidiary founded in 1975 – offers modern and comfortable transportation. Today, it operates the second-largest transportation system in the greater Paris region after the RATP.