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

Lines disrupted between Paris-Gare du Nord and Paris-Charles de Gaulle 

On the weekend of 1 and 2 August 2020, all day long, traffic is interrupted between Paris-Gare du Nord and Paris-Charles de Gaulle 2 airport, in both directions. 

replacement bus service will run from Stade de France/Saint-Denis station (RER D) and Paris-Charles de Gaulle 2.

Shema-RER-B-week-end-Gare du Nord_CDG

Lines disrupted between Aulnay-sous-Bois and Paris-Charles de Gaulle

Lines disrupted between Aulnay-sous-Bois and Paris-Charles de Gaulle airport, in both ways, every day of the week except weekends:

- from Monday 20 July to Friday 31 July 2020, starting at 23:00.
- from Monday 3 August to Friday 21 August 2020, starting at 22.00.
- from Monday 24 August to Friday 30 October 2020, starting at 21.15.
- from Monday 2 November to Friday 27 November 2020, starting at 21.00.

replacement bus service will run from Aulnay-sous-Bois to Paris-Charles de Gaulle 1.

Between Paris-Charles de Gaulle 1 et Paris-Charles de Gaulle 2 take CDGVAL. It's free.


On the weekends of 3 and 4 October and 10 and 11 October 2020, traffic will be stopped all day long, in both directions, between Aulnay-sous-Bois and Paris-Charles de Gaulle airport.

replacement bus service will run from Aulnay-sous-Bois to Paris-Charles de Gaulle.

Direct buses to Paris-Charles de Gaulle 1 and 2 airport will be available from Mitry-Claye.

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

Check our interactive map to see all alternative routes for RER B.

Other options to go to Paris-Charles de Gaulle

A wide range of public transport options and also taxis are available to go to Paris-Charles de Gaulle. Have a look to our pages.

Take public transport to Paris-Charles de Gaulle.

Take a taxi to Paris-Charles de Gaulle.