Metro line 9 works: dates, times, and alternatives Disruptions to anticipate from May to August 2025
As part of the modernization works on the network, metro line 9 will be closed several times between May and August 2025. We provide you with all the information and offer solutions and alternatives for a smooth journey.
Tip: check the Traffic section of the Bonjour RATP app to stay well informed about ongoing and upcoming disruptions on the lines you use.
Line 9 works: key dates to remember
From May to August 2025The line of 
will be completely closed on the following dates:
- from Monday, August 4, starting at 10:45 PM, to Friday, August 8, 2025 inclusive
Alternative routes and modes of transport
Public transport: alternative transport options
Bus
Replacement buses operate between the stations Nation and Mairie de Montreuil, on the indicated dates. They will run during the usual metro hours, in both directions, with a frequency of every 5 to 14 minutes depending on the time of day. The stopping points will be signposted near the entrances of the served stations.
Other public transport alternatives
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Other mobility options
Do you want to take advantage of these closures to get some physical activity? Choose walking or cycling!
In the Bonjour RATP app, you will find a pedestrian GPS if you need guidance, and if you want to rent a bike, all Dott, Lime, and Vélib' bikes available around you. We explain in this video how to locate and rent one of these bikes directly in the Bonjour RATP app in just a few clicks. You'll see, it's as easy as Bonjour 😉
Reminder: map of Metro line 9
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