The high-speed rail France diagram has been updated for 2026. There are again no significant changes to the high-speed lines. I have finally managed to include the seasonal TGV Lyria service Geneva-Marseille. However, the south-eastern corner has become very dense. One of the Ouigo service to Bordeaux has been extended to Hendaye.
I made an effort on analysing the timetables carefully. However, if you discover any mistake in the diagram, please let me know. If you are interested in the official diagram including SNCF services, you will find it here. You can also download the 2025 version of this diagram.
lars' transport maps 