Was there a problem during your TER or Transilien journey? Here’s how to submit your complaint to our customer service department.

Updated on


If you had a problem during your TER journey, please visit the website for your regional TER service to make a complaint.

Choose a region

If your journey included both TGV INOUI and TER transport, you must use the TGV INOUI & INTERCITÉS complaint form for your entire itinerary.

Submit your complaint on line