Updated  on 26/09/2022

RER B works and roads access




RER B line works to and from Paris-Charles de Gaulle airport



If you want to go to Paris-Charles de Gaulle airport by RER B, please prepare your trip in advance. Works on the line which may change schedules of your trains and your travel time. Consult news about RER B:



From Saturday 1st to Sunday 2nd October 2022 :
disruption between Aulnay-sous-Bois and Aéroport Charles de Gaulle 2


From 1st to 2nd October, modernisation work on the tracks on RER B between Aulnay-sous-Bois station and Aéroport CDG 2 station will be interrupted in both directions.

An alternative bus service will be provided from Mitry-Claye and Aéroport CDG 1&2.
Also substitution buses will be provided between Aulnay-sous-Bois and Aéroport CDG 1&2 and will stop at all stations. To reach Aéroport CDG 2, take the CDGVAL free of charge.

Mitry-Claye  / Aéroport CDG 1 (direct)
Aéroport CDG 1 / Mitry-Claye (direct)


Mitry-Claye / Aéroport CDG 2 (direct)
Aéroport CDG 2 / Mitry-Claye (direct)

 

Aulnay-sous-Bois / Aéroport CDG 1 (omnibus)
Aéroport CDG 1 / Aulnay-sous-Bois (omnibus)



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From Monday 3 to Friday 18 November 2022 :
interruption between Gare du Nord and Aéroport Charles de Gaulle 2 from 22h45


From 3 to 18 November (except November 11), maintenance works on the tracks on RER B between Gare du Nord station and Aéroport CDG 2 station will be interrupted in both directions.

Substitution buses will be provided in the direction of Aéroport CDG 1 & 2 and regular lines are strengthened. To reach Aéroport CDG 2, take the CDGVAL free of charge.

We invite you, if possible, to postpone your trip or to allow for an extension of the trip time. 

La Plaine Stade de France / Aulnay-sous-Bois
Aulnay-sous-Bois / La Plaine Stade de France

Aéroport CDG1 / Paris Gare de l’Est
Fort d’Aubervilliers (métro 7) / Aéroport CDG1

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From Saturday 8 to Sunday 9 October 2022 :
interruption between Gare du Nord and Aulnay-sous-Bois


The week end of 8 to 9 October, mordernisation works on RER B between Gare du Nord station and Aulnay-sous-Bois station will be interrupted in both directions.

Substitution buses will be provided from Stade-de-France/Saint-Denis (RER D) to go to Aéroport CDG 2. 

Stade de France – Saint-Denis  / Aulnay-sous-Bois
Aulnay-sous-Bois / Stade de France – Saint-Denis

 

Stade de France – Saint-Denis / Aéroport CDG 2
Aéroport CDG 2 / Stade de France – Saint-Denis

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From Saturday 22 to Sunday 23 October 2022 :
interruption between Aulnay-sous-Bois and Aéroport Charles De Gaulle 2


The week end of 8 to 9 October, modernisation work on RER B between Aulnay-sous-Bois station and Aéroport CDG 2 will be interrupted in both directions.

Substitution buses will be provided between Aulnay-sous-Bois and Aéroport CDG 2 and will stop at all stations. To reach Aéroport CDG 2, take the CDGVAL free of charge.

Take the RER B to Mitry-Claye, then take the substitution (direct) buses to Aéroport CDG 1&2.

Aulnay-sous-Bois / Aéroport CDG 1 (omnibus)
Aéroport CDG 1 / Aulnay-sous-Bois (omnibus)

Mitry-Claye  / Aéroport CDG 1 (direct)
Aéroport CDG 1 / Mitry-Claye (direct)


Mitry-Claye / Aéroport CDG 2 (direct)
Aéroport CDG 2 / Mitry-Claye (direct)
 

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Status of RER B until 2025


RER line B will undergo major modernisation and maintenance work until 2025. Some of these works will require partial shutdowns of the line, mainly in the evening and on certain weekends.

Follow our news on the Paris Airport website or on Twitter to prepare your trips.

Please note that as part of the work on the RER B line, the SNCF is deploying a specific system with the introduction of replacement buses. All the details on the RER B blog and in real time on the line's Twitter account.



Roads access to Paris-Charles de Gaulle and Paris-Orly airports



Access to Paris-Charles de Gaulle airport may be severely disrupted due to intense traffic. Plan your journey in advance. To get to our terminals more quickly, you can drop off at CDGVAL "Parking Px" station, or park at Parking Px, following the signs when arriving to Paris-Charles de Gaulle.

Access to Paris-Orly airport may be difficult due to the roadworks of the future multimodal station.Access times may be longer. Plan your journey and follow the proposed diversions.