Pourquoi le train est-il toujours plus cher ?

In France, train ticket prices rose 5 % while Spain trials free regional trains. Why is flying often cheaper than taking the train? Why does the Lyon‑Marseille flight still exist? And why are goods shipped by truck instead of the far cleaner rail? Hugo Clément probes France’s paradox: a TGV nation with an extremely dense network of small lines, yet many railway infrastructures feel dated.

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S04E06 - Parcs naturels : la grande mascarade