2015 | 2017 | 2018 | 2019 | 2020 | 2021 | |
---|---|---|---|---|---|---|
Total length of constructed tracks | 15 570 | 15 519 | 15 488 | 15 418 | 15 360 | 15 261 |
by type of traction | ||||||
non-electric | 8 631 | 8 564 | 8 580 | 8 486 | 8 443 | 8 364 |
electric | 6 939 | 6 955 | 6 908 | 6 932 | 6 917 | 6 897 |
Source: MD