Impact of French society: towns such as Chartres are becoming "TGV commuter belt"; Brussels - Paris in 90 minutes has increased commuting between the two capitals; likewise Paris - Marseille time greatly reduced recently
Impact of the building of the lines: many years of wrangles over the Lyon-Marseille line
...
As of the census of 2000, there are 19,701 people, 6,700 households, and 5,011 families residing in the town. The population density is 1,549.2/km² ...