RER D works: dates, times and alternatives in October 2026 Last updated: October 20, 2026
In October 2026, the RER D line is affected by major modernization works: replacement of signal boxes and tracks in order to improve network reliability. Here are the details to help you plan your journeys ahead.
Key dates
Disruptions are scheduled on the RER line 
to improve the line's reliability and punctuality. Alternative transport options will be provided during these periods.
🚫 Disruption Paris Gare du Nord <> Creil
Until Friday, October 30 inclusive, on weekdays, from 11:35 PM
Alternative route: replacement bus serving intermediate stations
🚫 Disruption Paris Gare de Lyon <> Melun
Until Friday, October 30 inclusive, on weekdays, from 11:15 PM
Alternative route: replacement bus serving intermediate stations
🚫 Disruption Paris Gare du Nord <> Juvisy
On Saturday, October 10 and Sunday, October 11, from 11:15 PM
Alternative route: replacement bus serving intermediate stations
🚫 Disruption Paris Gare du Nord <> Combs-la-Ville - Quincy
On Saturday, October 10 and Sunday, October 11, from 11:15 PM
Alternative route: replacement bus serving intermediate stations
🚫 Disruption Corbeil-Essonnes <> Malesherbes
From Monday, October 19 to Friday, October 23 inclusive, on weekdays, from 10:15 AM to 2:15 PM
Alternative route: replacement bus serving intermediate stations
🚫 Disruption Paris Gare de Lyon <> Corbeil-Essonnes
Until Friday, October 30 inclusive, on weekdays, from 11:15 PM
Alternative route: replacement bus serving intermediate stations
🚫 Disruption Stade de France - Saint-Denis <> Creil
On Saturdays and Sundays, October 3 and 4, 10 and 11, 17 and 18, 24 and 25, all day
Alternative route: replacement bus serving intermediate stations
Adapt your journeys with the Bonjour RATP app
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Start a route search: the results anticipate disruptions to help you avoid construction areas. Then customize according to your needs: schedules, modes of transport, lines or stations to avoid…
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Access real-time traffic status via the app's Traffic tab. You can enable personalized alerts to be notified when your lines are affected.
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