Transilien line R: traffic disrupted or interrupted, real-time information

Published by Rizhlaine de Sortiraparis · Updated on September 9, 2025 at 06:27 p.m.
What's the traffic situation on the Transilien R line today? Between roadworks, incidents, industrial action, cancelled trains, closed stations, strikes and demonstrations, many factors are causing disruption on the line. We take stock!

Introduced into service in its current form at the end of 2004, the Transilien R line runs between Paris-Gare-de-Lyon and the termini of Montereau and Montargis, serving several major towns in the Seine-et-Marne and Loiret regions. The 164-kilometer line crosses a large part of southeastern Paris, linking the capital with the rapidly changing suburbs.

Part of the Transilien network operated by SNCF, this line is based on a long-standing railway infrastructure. The first section between Melun and Montereau, via Moret-Veneux-les-Sablons, was inaugurated on January 3, 1849, followed a few months later, on August 12, 1849, by the section linking Paris directly to Melun. The extension to Montargis was opened on August 14, 1860, marking the completion of the historic route now used by the R line.

In all, the line serves 24 stations, spread over an area of 32 communes. It mainly crosses the Seine-et-Marne département, with stops in major towns such as Melun, Fontainebleau-Avon, Moret-Loing-et-Orvanne and Montereau-Fault-Yonne. Its extension to Montargis takes it beyond the borders of the Île-de-France region to also serve the Loiret, in the Centre-Val de Loire region.

Initially known as line K under the old SNCF naming system, it officially became line R when the Transilien network was overhauled at the end of 2004. Since then, it has played a strategic role in daily commuting for many Parisians and Loirétains, ensuring territorial continuity between the inner suburbs and the capital.

Real-time traffic information on line R :

  • Line R: timetable changes for trains from 01/08 to 31/08.
    Period: Monday through Sunday
    Dates: August 1 to August 31
    The departure or stopping times for certain trains on the R line may be moved up, and your travel times could be affected.
    Find all information on the X feed or on your line's blog. Motif: maintenance work and network construction.
  • Line R: Paris–Lyon <> Montargis service suspended from 03 to 21/08.
    Period: on weekdays from 11:15 p.m.
    Dates: from Monday, August 3 to Friday, August 21.
    Traffic is suspended between Paris Gare de Lyon and Montargis, and between Paris Gare de Lyon and Montereau via Moret Veneux les Sablons.
    A replacement bus service will operate, serving the intermediate stations.
    Reason: railway works.
  • Line R: lineup changes Line R:
    Risque de forte affluence à bord du/des train(s) suivant(s), en raison d'une modification de composition de long à court :
    - Train KUMO, départ Paris Gare de Lyon à 18:16, arrivée Montereau à 19:17 - Train KUMO, départ Paris Gare de Lyon à 18:45, arrivée Montereau à 19:44 - Train PUMA, départ Montereau à 20:14, arrivée Paris Gare de Lyon à 21:13 - Train KUMO, départ Paris Gare de Lyon à 21:46, arrivée Montereau à 22:58 Retrouvez tous les horaires de vos trains dans la rubrique Itinéraires ou Prochains départs.
  • Line R: delays:
    Traffic is running slower from Paris Gare de Lyon to Montargis and from Paris Gare de Lyon to Montereau via Moret Veneux les S.Prévoir, with journey times extending by about 20 minutes.
    For more information about this disruption, check the X feed for Line R.
    Reason : track fault in the Villeneuve Saint Georges area.
  • Line R: Paris Gare de Lyon - Montereau delayed:
    The next train is being delayed by about 10 minutes:
    - Train KUMO departs Paris Gare de Lyon at 19:45, arriving Montereau at 20:44.
    For more information on this disruption, check the line's X thread.
    Reason: departure conditions not met.
  • R Line: Fontainebleau — Forest service not operating on August 15 and 16.
    Date : From August 15 to 16, Fontainebleau-Forêt station will not be served by trains on line R on those dates.
    Motif : Access to the forest massif is restricted following the wildfires that occurred in July.
  • Line R: timetable changes Paris <> Montereau Aug 24 – Sep 18.
    Period : Monday to Friday
    Dates : from 24/08 to 18/09
    The departure or station-passing times for the last trains on line R may be moved up and your travel times could be affected. From Paris Gare de Lyon to Montereau from 24/08 to 18/09:
    The 22:46 KUMO train is advanced to 22:39.
    The 23:46 KUHE train is advanced to 23:33 and this service will run via Corbeil-Essonnes and Héricy (allow for a longer journey).
    The 00:46 KUHE train is advanced to 00:33 and this service will run via Corbeil-Essonnes and Héricy (allow for a longer journey).
    From Montereau to Paris Gare de Lyon from 24/08 to 18/09:
    The 22:14 PEHA train is advanced to 22:03 and this service will run via Héricy and Corbeil-Essonnes (allow for a longer journey).
    Find all information on the X feed or the line's blog.
    Reason : maintenance and network development work.
  • Line R: timetable changes for Paris–Montargis, 17/08–18/09.
    Period: Monday to Friday
    Dates: Aug 24 to Sep 18
    The departure times or the times trains pass through stations on the last trains of line R may be moved up, and your travel times may be affected. From Paris Gare de Lyon to Montargis from 17/08 to 18/09:
    The GAMO train departing at 21:16 is moved to depart between 20:50 and 21:10.
    The GAMO train departing at 22:16 is moved up to 22:03.
    From Montargis to Paris Gare de Lyon from 24/08 to 18/09:
    For all updates, check the X thread or your line blog.
    Reason: maintenance work and network enhancements.
  • Line R: Melun–Montargis / Montereau suspended from 24 to 28 August:
    Period: on weekdays from 10:00 p.m. onward..
    Dates: from Monday, August 24 to Friday, August 28.
    Traffic is interrupted between Melun and Montargis and between Melun and Montereau via Moret Veneux les Sablons. Trains bound for Montereau are diverted via Corbeil-Essonnes and Héricy. Trains to Montargis are cancelled.
    A replacement bus service is in place, serving the intermediate stations.
    Reason: works on the railway network.
  • Line R: Montargis <-> Melun interrupted 31 Aug – 18 Sep, on weekdays:
    Period: weekdays from 10 p.m. onward.
    Dates: from Monday, August 31 to Friday, September 18.
    Traffic is suspended between Montargis and Melun via Moret Veneux les Sablons. Trains to and from Montereau are all diverted via Héricy and Corbeil-Essonnes.
    Saint-Mammès station is not served.
    A replacement bus service is in operation, serving intermediate stations.
    Reason: railway works.
  • Line R: Service between Montargis and Melun suspended from 5 to 6 September:
    Period: weekends, all day long.
    Dates: from Saturday, September 5 to Sunday, September 6.
    Traffic is suspended between Montargis and Melun via Moret Veneux les Sablons. Trains to and from Montereau are being diverted via Héricy.
    A replacement bus service is in operation, serving the intermediate stations.
    Reason: railway works.

This page may contain AI-assisted elements, more information here.

Practical information
Comments
Refine your search
Refine your search
Refine your search
Refine your search