• Organizing and operating the transit system.
  • Managing controls and safety.
  • Keeping passengers informed.
  • Developing and improving the transit offer.
  • 111

    buses operating daily


    stops serviced


    kilometers driven every year, as average


    Cars Perrier, headquartered in Trappes just outside Paris, operates almost 60% of the SQYBUS bus system. As the second-largest transit provider in greater Paris after the RATP, it is a boon to economic growth in the Saint-Quentin-en-Yvelines conurbation. 28 regular routes and 11 schoolbus runs service 22 towns, including the conurbation itself and 10 nearby municipalities in the Yvelines department. Cars Perrier's 111 buses service 22 city routes and one intercity route, while four other buses ferry children to and from school or after-school activities.

    Saint-Quentin-en-Yvelines Cars Perrier mobility

    Your future. Our destination.

    Learn More

    Cars Perrier

    Juan Lopez




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