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: Changes to train schedules from April 30 to May 31:
  • Line R: Paris–Lyon <> Montargis / Montereau 04/05-29/05 :
    Period: on weekdays from 11:15 p.m.
    Dates: from Monday, May 4 to Friday, May 29, excluding weekends and public holidays.
    Train traffic is suspended between Paris Gare de Lyon and Montargis and between Paris Gare de Lyon and Montereau.
    A replacement bus service is in operation, with service to the intermediate stations.
  • Line R: Paris-Lyon <-> Montargis / Montereau, 9–10 May:
    Dates : Saturday, May 9, starting at 11:15 p.m.
    Dates : Sunday, May 10, starting at 11:59 p.m.
    Traffic is suspended between Paris Gare de Lyon and Montargis, and between Paris Gare de Lyon and Montereau via Moret Veneux les S.
    A replacement bus service is in place, serving the intermediate stations.
    Motif : railway works.
  • Line R: Paris–Lyon <-> Montargis / Montereau May 9–10:
    Dates : Saturday, May 9, from 11:15 p.m.
    Dates : Sunday, May 10, from 11:59 p.m.
    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 be arranged, stopping at intermediate stations.
    Motif : railway works.
  • Line R: From Paris-Lyon to Montargis on 23/05:
    Dates : Saturday, May 23.
    The following GAMO trains will have their schedules moved up: - GAMO departure from Paris Gare de Lyon at 16:05 instead of 16:16 - GAMO departure from Paris Gare de Lyon at 19:05 instead of 19:10
    Reason : railway works.
  • Line R: Between Montereau and Melun on 24 May, all day:
    Period : all day.
    Dates : Sunday, May 24.
    Train traffic is suspended between Montereau and Melun via Héricy.
    A replacement bus service is in operation, calling at the intermediate stations.
  • Line R: Melun ↔ Montereau 26–29/05 (Tue, Wed, Thu, Fri) 10:20–15:30 :
    Period: on Tuesdays, Wednesdays, Thursdays, and Fridays from 10:20 a.m. to 3:30 p.m.
    Dates: from Tuesday, May 26 to Friday, May 29.
    Traffic is interrupted between Melun and Montereau via Héricy.
    A replacement bus service is in operation, serving the intermediate stations.
  • Line R: Montereau <-> Melun 01-05/06, on weekdays 10:26–15:30:
    Period: on weekdays from 10:26 a.m. to 3:30 p.m.
    Dates: Monday, June 1 to Friday, June 5.
    Traffic is interrupted between Montereau and Melun via Héricy.
    A replacement bus service is provided, serving the intermediate stations.
    Reason: railway works.
  • R Line: Melun <-> Montargis / Montereau via Moret from 01-26/06:
    Period: on weekdays from 11:45 p.m.
    Dates: Monday, June 1 to Friday, June 26.
    Traffic will be suspended between Montargis and Melun and between Melun and Montereau via Moret Veneux les S.
    A replacement bus service will operate, serving the intermediate stations.
    Reason: railway works.
  • Line R: Moret-Veneux Sat. <-> Montargis 06-07/06, this weekend:
    Period: over the weekend, all day.
    Dates: Saturday 6 to Sunday 7 June.
    Traffic is interrupted between Moret-Veneux-les-Sablons and Montargis.
    A replacement bus service is provided, with calls at the intermediate stations.
    Reason: railway works.
  • Line R: Moret-Veneux Saturdays <-> Montargis 06-07/06, weekends:
    Period : weekend, all day.
    Dates : from Saturday 06 to Sunday 07 June.
    Traffic is suspended between Moret-Veneux les S. and Montargis.
    A replacement bus service will operate, serving the intermediate stations.
    Reason : railway network works.

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