Paris Travel Guide - HTML5

airport (as with tickets for the RER commuter trains in general) you have to use it to enter and to exit the train. Always keep the ticket handy as the SNCF officials sometimes check for tickets, and if you are without one you may be fined €40. This means that after you put the ticket into the entry gate and are cleared to pass, you must retrieve the ticket from the machine and keep it with you until you leave the train system including any connections. There is also a TGV station in T2 for high-speed connections, mostly towards Lille and Brussels, but there are also some trains that head west to eg. Rennes and Nantes, bypassing Paris.

Alternatively, the Roissybus service