I did Rennes-Toulouse multiple times (it was actually the example I was going to give in this thread). It's 10 hours by train, 2 hours by plane. So as long as there are no direct trains, if flying was to be banned, there would be no short way to do Rennes-Toulouse anymore.
Interior flights will be banned only in case of a train alternative inferior to 2.30h.
> Nous avons choisi [le seuil en train de] 2h30 car 4 heures, ça vient assécher des territoires souvent enclavés comme le grand Massif central... Ce serait inique sur le plan de l'équité des territoires" [1]
> We have chosen 2.30h instead of 4h, because of enclaved territories like Massif Central. It would have been inequal for the territories equity. [approximately translated]
