Rail lines are the length of railway route available for train service, irrespective of the number of parallel tracks.
| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Albania | 440.0 | 423.0 | ||||||||||||
| Bosnia and Herzegovina | 943.0 | 1,000.0 | 1,027.1 | 1,027.1 | 1,027.1 | 1,027.1 | 1,027.1 | 1,027.1 | 1,018.1 | 417.0 | 1,018.1 | 1,018.1 | ||
| Bulgaria | 4,320.0 | 4,154.0 | 4,097.0 | 4,072.0 | 4,070.0 | 4,032.0 | 4,023.0 | 4,019.0 | 4,029.0 | 4,030.0 | 4,030.0 | 4,030.0 | 4,029.0 | 4,031.0 |
| Croatia | 2,726.0 | 2,726.0 | 2,722.0 | 2,722.0 | 2,723.0 | 2,722.0 | 2,604.0 | 2,604.0 | 2,605.0 | 2,605.0 | 2,605.0 | 2,617.0 | 2,617.0 | 2,617.0 |
| Czechia | 9,365.0 | 9,513.0 | 9,468.8 | 9,470.2 | 9,468.3 | 9,459.0 | 9,457.6 | 9,466.9 | 9,462.7 | 9,408.0 | 9,406.0 | 9,396.0 | 9,377.0 | 9,357.0 |
| Hungary | 8,005.0 | 7,950.0 | 7,902.7 | 7,877.9 | 7,894.8 | 7,894.8 | 7,894.8 | 7,896.0 | 7,748.7 | 7,751.7 | 7,587.7 | 7,587.7 | 7,587.7 | 8,037.0 |
| North Macedonia | 699.0 | 699.0 | 699.0 | 699.0 | 699.0 | 699.0 | 699.0 | 683.0 | 683.0 | 683.0 | 683.0 | 683.0 | 683.0 | 683.0 |
| Moldova | 1,139.0 | 1,075.0 | 1,156.9 | 1,156.9 | 1,156.9 | 1,156.9 | 1,156.0 | 1,151.0 | 1,151.0 | 1,151.0 | 1,151.0 | 1,151.0 | 1,151.0 | 1,149.0 |
| Montenegro | 248.0 | 249.0 | 239.2 | 239.2 | 249.0 | 249.0 | 249.0 | 249.0 | 249.0 | 249.0 | 250.0 | |||
| Poland | 22,560.0 | 19,599.0 | 19,702.0 | 19,725.0 | 19,617.0 | 18,959.0 | 18,942.0 | 18,510.0 | 18,429.0 | 18,513.0 | 18,536.0 | 18,538.0 | 18,611.0 | 18,620.0 |
| Romania | 11,364.0 | 10,781.0 | 10,777.0 | 10,777.0 | 10,777.0 | 10,768.0 | 10,770.0 | 10,770.0 | 10,766.0 | 10,766.0 | 10,765.0 | 10,759.0 | 10,769.0 | 10,769.0 |
| Serbia | 3,809.0 | 3,809.0 | 3,809.0 | 3,809.0 | 3,809.0 | 3,809.0 | 3,809.0 | 3,809.0 | 3,736.0 | 3,736.0 | 3,724.5 | 3,724.5 | 3,333.4 | 3,348.1 |
| Slovak Republic | 3,662.0 | 3,626.0 | 3,622.4 | 3,624.1 | 3,631.4 | 3,631.3 | 3,627.1 | 3,626.4 | 3,626.3 | 3,626.4 | 3,626.6 | 3,629.2 | 3,626.9 | 3,626.5 |
| Slovenia | 1,201.0 | 1,228.0 | 1,228.1 | 1,209.1 | 1,209.1 | 1,209.1 | 1,209.1 | 1,209.0 | 1,209.0 | 1,209.1 | 1,209.0 | 1,209.0 | 1,209.0 | 1,209.0 |