Post by Basil Jet
This is a couple of years old but it's the first time I've seen it.
Why should the 192 km phase 1 cost as much as £70,000 million?
This claims that LGV construction costs €16-27 million per km:
At that rate, 192 km would cost €3,172-$5,184 million or £2,855-4,666 million.