CDG Express: the high-speed line linking Gare de l'Est and the airport postponed until 2027

Published by Graziella de Sortiraparis · Updated on September 22, 2025 at 01:27 p.m. · Published on August 20, 2023 at 03:48 p.m.
In a few years' time, tourists and holidaymakers will be able to link Paris Charles de Gaulle airport with the center of Paris in 20 minutes. A very practical solution, which should relieve the RER B, but which has fallen behind schedule...

Today, you have to take the RER B to get toParis Charles de Gaulle airport, north of the capital. Not the most convenient, since many Parisians use the RER on a daily basis, and delays often pile up, with the attendant risk of missingyour flight!

The CDG Express will link the Gare de l'Est station to terminal 2 of the airport in 20 minutes, for greater fluidity. Originally planned for the Paris 2024 Olympic Games, the line is scheduled to enter service in 2027.

CDG Express : la ligne rapide qui doit relier la Gare de l'Est et l'aéroport reportée en 2027CDG Express : la ligne rapide qui doit relier la Gare de l'Est et l'aéroport reportée en 2027CDG Express : la ligne rapide qui doit relier la Gare de l'Est et l'aéroport reportée en 2027CDG Express : la ligne rapide qui doit relier la Gare de l'Est et l'aéroport reportée en 2027
© Groupe ADP

In recent years, controversy has built up around this private line, which is accused of serving RER B users, since there are no plans to improve the latter in the meantime. Work on this busy rail route continues to impact users all year round, as the express line runs on the same tracks as the RER.

This route will also be subject to a charge, not included in the Navigo, according to current information, at 24 euros per ticket."It's the train for the rich versus the working poor", said David Belliard, deputy mayor of Paris, on BFMTV. If all goes according to plan, passengers will be able to find out thelatest news about their flight at the Gare de l'Est station, on the platform and inside the train.

Between 6 and 9 million passengers are expected to use the CDG Express, with a train every 15 minutes, every day from 5 a.m. to midnight. Without line 17 or the CDG Express, both of which have fallen behind schedule, RER B users will have to be patient once again!

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