At that time, the route was also covered by a night train which took eight hours.
The itinerary of these services is indicated by the red line in the illustration on the right. It takes another, somewhat longer route via Lille, which is depicted by the blue line on the illustration.
Europe has the most amazing railway network in the world.
It gets you anywhere, anytime, and it's much more fun and interesting to travel by train than by air.
The , covered the 545 km long route in about eight hours.  During the subsequent decades, the rolling stock was modernised, the capacity of the line was extended with extra trains, and the length of the journey was gradually reduced.
By 1957, travel time had been shortened to five and a half hours, by 1971 it was five hours, and in 1995, the last year of its operation, the did the trip in four hours and 20 minutes.
Quite a few of these services were even faster than today's high speed trains.
In marketing, this pricing strategy is called "reducing has vanished, they are left no other choice than to pay more when they want to travel by train.
A look at European railway history shows that the choice for the elite high speed train is far from necessary.