Alternative routes have been planned for travelers and RER B users.
Notice to regular users of the RER B. Traffic on the line will be interrupted all day, on September 17 and 18, between the stations of Aulnay-sous-Bois and Aéroport Charles-de-Gaulle 2, in both flow direction. This follows work on the line.
Always on Twitter, RER line B indicates alternative routes for travellers.
“To reach CDG2 Airport, we invite you to take the trains towards Mitry-Claye, then the replacement bus L1, direct to Charles-de-Gaulle 2 Airport“. “To reach CDG1 Airport, we invite you to take the trains towards Mitry-Claye, then the replacement bus L1 bis, direct to Charles-de-Gaulle 1 Airport“, can we read. “The L2 replacement bus line runs between Aulnay-sous-Bois and Aéroport Charles-de-Gaulle 1 and serves the stations of Sevran-Beaudottes, Villepinte and Parc des Expositions“. This information is also available on the RER B blog.
“Plan to extend your journey time.” finally specifies the Twitter account of the RER B.