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With the official « RATP » application, you can optimize your trips in the Île-de-France region!- Personalize your welcome page to consult your favorite timetable with just a click, - Find the best itinerary for you destination directly from the welcome page or with our detailed itinerary search, - Receive free personalized alerts in the event of disturbances on one of the lines your use regularly,- Use geolocation to locate RER, Metro, Bus, Tramway and Transilien, Vélib and Autolib stations in your immediate vicinity,- Consult timetables in real time for the upcoming times for the RER, Metro, Bus, Noctilien, Tramway and airport lines. - Consult line maps in landscape mode for RER RATP (A and B), Metro, Bus, Noctilien, Tramway RATP and airport lines (Roissybus, Orlybus and Orlyval), - Discover best deals nearby. .