Paris-Bordeaux was €15m per mile for electrified 200mph capable line. $20m / mile doesn't sound amazing for a non electrified line that operates at 79mph now and might have sections that operate at 125mph in the future.
> The consortium invested €3.8 billion, French government, local authorities and the European Union paid €3 billion and €1 billion was contributed by SNCF Réseau (subsidiary of SNCF). Another €1.2 billion was spent by SNCF Réseau on the construction of interconnecting lines, control centres, capacity enhancements at Bordeaux and remodelling the track layout at Gare Montparnasse.
is that the LGV Sud Europe Atlantique between Tours and Bordeaux that opened in 2017? looks like thats €9B for 188 miles new track or €47M per mile.
https://en.wikipedia.org/wiki/LGV_Sud_Europe_Atlantique
> The consortium invested €3.8 billion, French government, local authorities and the European Union paid €3 billion and €1 billion was contributed by SNCF Réseau (subsidiary of SNCF). Another €1.2 billion was spent by SNCF Réseau on the construction of interconnecting lines, control centres, capacity enhancements at Bordeaux and remodelling the track layout at Gare Montparnasse.