SNCF: the Paris-Lyon TGV line will be closed for four days for work from November 9 to 12. The work aims to equip the line with the ERTMS signaling system, a European standard, which should improve the regularity and reliability of trains.
The line represents a third of high-speed traffic in France, and is the busiest in Europe. The closure of the line, which will mobilize "1,000 people for 101 hours continuously", aims to "commission the new supervision center"