RATP is offering you a new website. Certain features of the new website, including its accessibility, are still being finalised. To make it easier for you to find what you’re looking for, we invite you to use the previous version of the website. You may also use the RATP app. We will notify you as soon as possible when the new website is completely up and running.
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Your guide to public transport in Paris and the Ile de France region
Mon RER A app
Real-time answers to your questions on riding the RER A !
Do you like public transport apps that help you get around? We do, too. Do you think it’s important to encourage innovation? We do, too. Here are some of our favourite apps.
Propose an app
The first connected running competition!
The app to fight sexual aggression!
Manage your own transport network!
Find a recharging station near you!
Responsible consumer listings