Disruptions to line RER B:
when and how to reach Paris-Charles de Gaulle




From Saturday 30 October to Monday 1st November 2021:
disruption between  Aulnay-Sous-Bois and Charles de Gaulle 2 airport all day


Traffic is suspended between Aulnay-Sous-Bois and Charles de Gaulle 2 airport on 30-31 October and 1st November, in both directions, all day.

 


Schéma RER B du 30 octobre au 1er novembre 2021


Alternative shuttles will be set up between Aulnay-sous-Bois and CDG1 Airport and will serve all stations.
Direct shuttles will be set up between Mitry-Claye and CDG1 and 2 airports.
 
Download timetable for shuttles:
- L1: Mitry-Claye / Aéroport CDG2 and  Aéroport CDG2 / Mitry-Claye
- L1bis: Mitry-Claye / Aéroport CDG1 and Aéroport CDG1 / Mitry-Claye
- L2:Aulnay-sous-Bois / Aéroport CDG1 and Aéroport CDG1 / Aulnay-sous-Bois

Between Paris-Charles de Gaulle 1 and Paris-Charles de Gaulle 2, take the CDGVAL (free metro shuttle of the airport).


From Monday 25 October to Friday 3 December 2021:
disruption between Gare du Nord and Charles de Gaulle 2 airport from 22.45


Traffic is suspended from Gare du Nord to Charles de Gaulle 2 airport from Monday 25 October to Friday 3 December 2021 (except 1st and 11 November), from22.45. 

Schéma RER B pour les mois d'octobre à décembre 2021



An alternative replacement shuttle will be set up. Consult here the alternative routes.

Between Paris-Charles de Gaulle 1 and Paris-Charles de Gaulle 2, take the CDGVAL (free metro shuttle of the airport).



About the RER B works until 2025

 

RER Line B will be undergoing important modernisation and maintenance works until 2025. Some of these works will require partial line interruptions, particularly during evenings and weekends.

Plan your journeys by checking our news on the Paris Aéroport website or on Twitter.

Please note that during the RER B works, SNCF will be operating special replacement bus services. All details can be found on the RER B blog and are available in real time on the RER B Twitter account