Rail lines are the length of railway route available for train service, irrespective of the number of parallel tracks.
| Date | Valeur | Modifier , % |
|---|---|---|
| 2021 | 9 357,0 | -0,21 % |
| 2020 | 9 377,0 | -0,20 % |
| 2019 | 9 396,0 | -0,11 % |
| 2018 | 9 406,0 | -0,02 % |
| 2017 | 9 408,0 | -0,58 % |
| 2016 | 9 462,7 | -0,04 % |
| 2015 | 9 466,9 | 0,10 % |
| 2014 | 9 457,6 | -0,02 % |
| 2013 | 9 459,0 | -0,10 % |
| 2012 | 9 468,3 | -0,02 % |
| 2011 | 9 470,2 | 0,01 % |
| 2010 | 9 468,8 |