| 2010 | 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|---|
| Total length of operated lines | 9 568 | 9 566 | 9 564 | 9 567 | 9 572 | 9 562 |
| by number of tracks | ||||||
| single track | 7 662 | 7 602 | 7 598 | 7 597 | 7 558 | 7 538 |
| double tracks and more | 1 906 | 1 964 | 1 965 | 1 970 | 2 014 | 2 024 |
| by gauge of tracks | ||||||
| standard gauge | 9 467 | 9 467 | 9 464 | 9 468 | 9 471 | 9 460 |
| narrow gauge | 102 | 99 | 99 | 100 | 102 | 102 |
| by nature of traffic | ||||||
| passenger only | 0 | 0 | 0 | 0 | 0 | 0 |
| goods only | 0 | 0 | 0 | 0 | 0 | 0 |
| passenger and goods transport | 9 568 | 9 566 | 9 564 | 9 567 | 9 572 | 9 562 |
| Total non-electrified lines | 6 357 | 6 329 | 6 328 | 6 331 | 6 337 | 6 330 |
| by number of tracks | ||||||
| single track | 6 285 | 6 256 | 6 255 | 6 257 | 6 264 | 6 252 |
| double tracks and more | 72 | 73 | 73 | 73 | 73 | 78 |
| by gauge of tracks | ||||||
| standard gauge | 6 255 | 6 230 | 6 229 | 6 231 | 6 235 | 6 229 |
| narrow gauge | 102 | 99 | 99 | 100 | 102 | 102 |
| by nature of traffic | ||||||
| passenger only | 0 | 0 | 0 | 0 | 0 | 0 |
| goods only | 0 | 0 | 0 | 0 | 0 | 0 |
| passenger and goods transport | 6 357 | 6 329 | 6 328 | 6 331 | 6 337 | 6 330 |
| Total electrified lines | 3 208 | 3 237 | 3 236 | 3 237 | 3 235 | 3 231 |
| by number of tracks | ||||||
| single track | 1 368 | 1 346 | 1 344 | 1 340 | 1 294 | 1 286 |
| double tracks and more | 1 839 | 1 891 | 1 892 | 1 897 | 1 941 | 1 946 |
| by gauge of tracks | ||||||
| standard gauge | 3 208 | 3 237 | 3 236 | 3 237 | 3 235 | 3 231 |
| narrow gauge | 0 | 0 | 0 | 0 | 0 | 0 |
| by nature of traffic | ||||||
| passenger only | 0 | 0 | 0 | 0 | 0 | 0 |
| goods only | 0 | 0 | 0 | 0 | 0 | 0 |
| passenger and goods transport | 3 208 | 3 237 | 3 236 | 3 237 | 3 235 | 3 231 |
| by type of current | ||||||
| 50 Hz/25 000 V | 1 390 | 1 401 | 1 381 | 1 381 | 1 381 | 1 372 |
| 15 000 V, 16 2/3 Hz | 14 | 14 | 14 | 14 | 14 | 14 |
| DC 3 000 V | 1 783 | 1 798 | 1 817 | 1 818 | 1 816 | 1 822 |
| DC 1 500 V | 24 | 24 | 24 | 24 | 24 | 24 |
Source: MD