Users of the RER B never stop experiencing inconveniences. Between the repeated incidents, like this Thursday, January 20, and the works, the latter are forced to find alternative routes. Until March, it will also be necessary to pay attention to interruptions.
Since the start of the year and until Friday March 4 inclusive, traffic on the RER B has been interrupted from 10:45 p.m. every weekday evening, Monday to Friday, between the Gare du Nord and the airport. Charles-de-Gaulle 2 / Mitry-Claye, due, according to the SNCF, to “large-scale maintenance work”.
[TRAVAUX] Until March 4, from Monday to Friday from 10:45 p.m., large-scale maintenance work will interrupt traffic #RERB between Gare du Nord and CDG 2 / Mitry-Claye Airport. Substitution buses are available. [1/2] pic.twitter.com/2KbYeeDi8M
– RER B (@RERB) January 19, 2022
To compensate, alternate routes are offered, in particular to Plaine-Stade de France (take bus 153 from Porte de la Chapelle station), Aubervilliers and La Courneuve (take bus 150 from Quatre Chemins station), but also to Le Bourget (take bus 607 from La Courneuve / Aubervilliers May 8, 1945 station), Drancy (take bus 148 from Bobigny-Pablo Picasso station) and Le Blanc-Mesnil (take bus 620 from Bobigny-Pablo Picasso station) .
And when no alternative route is possible, substitute buses have been put in place: one from Fort d’Aubervilliers to Mitry-Claye via the stations of Aulnay-sous-Bois, Sevran- Livry, Vert-Galant, Villeparisis, another departing from La Plaine-Stade de France bound for Aulnay-sous-Bois via the stations of La Courneuve/Aubervilliers, Le Bourget, Drancy, Le Blanc-Mesnil and a final one at departure from Fort d’Aubervilliers to Charles-de-Gaulle 1 Airport via the stations of Aulnay-sous-Bois, Sevran Beaudottes, Villepinte, Parc des Expositions.
Finally, to get to the airport, it is advisable to take the RER A from Châtelet-les-Halles to Auber, then the Roissy bus to Aéroport Charles-de-Gaulle 1. And for those who would like to go to Charles-de-Gaulle 2 airport, you must then take the automatic and free shuttle, called CDGVal, between the two terminals.