How to Transfer from RER A to RER B at Chatelet-Les Halles | RER Chatelet | Chatelet station

[@shivanipal6817]

Thank you so much. I was gonna miss the flight if I didn't make this transit in less than 2 minutes.
Thank you so much!

[@heatherz1102]

Just what I needed. Fantastic!! In the future, would you show also the signs in the stations we could follow please? Thanks!

[@lucasmil25peru]

Gracias por el video; deseo saber hasta que hora funciona el RER A desde Marne La Valle hasta Chatelet ? Gracias !!!

[@tonyjose9939]

You will get train until midnight( last train at 12:25 am) from marne la valle to chatelet.

[@shivanipal6817]

Thank you so much. I was gonna miss the flight if I didn't make this transit in less than 2 minutes.
Thank you so much!