It is a very handy and affordable way to get around Paris as it allows you to travel on all public transport within your selected zones. Not only that but it also offers benefits with over a dozen partners when you show the card. These change so it is best to check the RATP (Régie Autonome des Transports Parisiens – Autonomous Parisian Transportation Administration) website for regular updates.
The cards cover the following (depending on which zones you selected):
- Transilien suburban railway
- RER B – CDG airport
- Montmartre funicular