Paris Metro Line 13’s next generation is no longer just a future procurement plan. RATP’s fresh 18 September 2026 update says the expanded maintenance workshop at Châtillon is now equipped to receive, assemble and prepare the MF19 trains that are due to enter service on Line 13 from mid-2027. The project has doubled maintenance capacity at the southern workshop, while the broader Line 13 programme is also laying the groundwork for full automation in 2035.
- Fresh official update: RATP, 18 September 2026
- New Châtillon hall: 3,843 m² with four maintenance tracks and pits
- Capacity: the new hall doubles the site’s maintenance capacity
- First deliveries: MF19 vehicles began arriving at Châtillon in April 2026
- Line 13 passenger service: planned from mid-2027
- Long-term programme: Line 13 is scheduled for full automation in 2035
- Are MF19 trains carrying passengers on Line 13 yet?
- No. RATP says testing and preparation are under way, with passenger service planned from mid-2027.
- Why does a maintenance workshop matter to passengers?
- A new fleet cannot simply be dropped onto a line. The depots need the right tracks, access, tools, logistics and staff set-up to receive, assemble, inspect and maintain the trains reliably.
- Does this remove Line 13 disruption now?
- No. Infrastructure works for the MF19 programme and future automation continue to cause planned closures. Check RATP before travel, especially on announced work weekends.
1. Châtillon now has a purpose-built MF19 hall with twice the maintenance capacity
RATP’s latest Line 13 modernisation update focuses on a piece of the Metro most passengers never see: the maintenance site at Châtillon, at the southern end of the line. The existing Line 13 fleet is still made up of MF77 trains, maintained between Châtillon and Pleyel. At Châtillon, RATP says 55 agents handle routine maintenance and breakdown work seven days a week.
Preparing for MF19 required more than new tools inside the old shed. The site now has a 3,843 m² maintenance hall, completed at the end of spring 2026, with four tracks equipped with inspection pits. The facility is designed for three jobs at once: receiving and preparing incoming MF19 trains, maintaining them after they enter service, and progressively dealing with the older stock that will be replaced.
RATP says the expansion doubles the site’s maintenance capacity. There is also a logistics area capable of handling up to five exceptional road convoys carrying MF19 cars. Once unloaded, the cars can move into the new hall for assembly, checks and preparation before they are ready for railway testing.
2. The MF19 is the common new train for eight Paris Metro lines
MF19 is not a Line 13-only train. RATP and Île-de-France Mobilités are using the new Alstom-built fleet as a common platform for eight Metro lines: 3, 3bis, 7, 7bis, 8, 10, 12 and 13. The idea is to replace ageing steel-wheel stock with a newer standard that can be configured for the needs of each line.
For passengers, the promised gains are practical rather than decorative: newer onboard passenger information, improved comfort, updated safety systems and better energy performance. The programme also requires significant infrastructure changes because stations, signalling, maintenance sites and operational systems must all be compatible with the new trains.
Line 13 is one of the next major steps in that rollout. RATP’s 18 September overview says the line is already in a critical testing phase and places the start of MF19 passenger service in summer 2027; the Châtillon workshop update describes the launch as mid-2027. Those descriptions point to the same operational window rather than a guaranteed first-day timetable.
3. The first Line 13 vehicles arrived in April — but testing comes before riders
The first MF19 deliveries to Châtillon took place in April 2026. That does not mean the train was ready to carry passengers immediately. RATP says those first arrivals were used to validate the new installations and support the lengthy preparation process needed before fleet entry.
Testing checks how the rolling stock behaves with the actual infrastructure, from clearances and platform interfaces to traction, braking, signalling and depot movements. It also lets maintenance teams rehearse procedures with the real equipment instead of waiting until the day the new fleet enters public service.
RATP’s broader MF19 update says Line 13 is undergoing numerous night tests during 2026. That explains why passengers can see a lot of engineering activity well before the new trains appear on normal timetables: the physical fleet, depot changes and operating systems all have to converge safely.
4. MF19 is one stage in a much longer Line 13 transformation ending in automation
The fleet replacement is important, but it is not the endpoint. RATP’s current programme says Line 13 is scheduled to be automated in 2035. That long horizon matters because some of the works affecting the line now are designed to prepare infrastructure not only for MF19 but also for a future operating model.
Line 13 is one of Paris’s most heavily used and often criticised Metro routes, serving dense northern suburbs as well as Saint-Lazare, Invalides, Montparnasse and the southern branch to Châtillon–Montrouge. A newer fleet can improve reliability and the passenger environment, but automation involves a deeper system change: signalling, platform operations, control systems and work sites all need to be adapted over time.
That is also why the transition is measured in years rather than one grand opening. The new maintenance hall is a useful milestone because it is tangible evidence that the fleet phase is moving from planning into physical delivery, while the automation programme continues on a separate, longer track.
5. For passengers, the immediate story is still planned works and checking the live timetable
The shiny new trains are the attractive part of the story, but the short-term passenger effect is more mundane: planned engineering closures continue. RATP’s current Line 13 works notice includes Sunday morning closures and several station closures through the autumn as infrastructure is adapted for the new fleet and future automation.
For Sunday 20 September 2026, Line 13 is already scheduled to be fully closed until noon. Totally Paris has a separate traveller guide to the 20 September Line 6 and Line 13 closures, including the replacement-bus section and the later published Sunday dates.
If you live on Line 13 or are using it for a Paris trip, treat the MF19 programme as a rolling transition rather than a single switch-over date. Check RATP close to travel, allow extra time when works are published, and expect the visible passenger benefit to arrive progressively from 2027 rather than overnight.
6. Sources and verification
This article was checked on 19 September 2026 against RATP’s fresh 18 September Châtillon workshop report and its current MF19 and Line 13 works pages. The rollout dates are programme targets rather than promises that every train or closure will occur on an unchanged timetable, so live RATP travel information remains the source to check before a journey.