Happy Days In Croissy
Just outside the RER A Chatou-Croissy (Croissy side), you will find 1 bus stop.
Take the E or D bus. These two buses drop you off in 6 to 8 minutes just in front of your apartment. Get off at the bus station called Patte d’Oie.
The RER A operates every day.
The bus E operates from Monday to Saturday.
Bus D operates every day, including public holidays, except May 1.
The RATP website (company that manages the Paris metro and bus) will give you all the other information you need.
You will find more information on the use of transport in Paris and on the different passes (transport, visits) at your disposal in the Tourism section.