Originally Posted by
Palal
In general, most legacy lines have fixed ticket prices and unless you buy a discount card, you won't get a discount on tickets. Most of the new high-speed lines have airline-like ticket pricing, so the earlier you book the less you'll pay.
I really don't understand this.
As far as I am aware, availability of advance, capacity-controlled tickets has nothing to do with whether the route is high-speed or not - certainly in Germany, to take a very big example.