In terms of the length of the lines and its infrastructure, it is difficult to compare Slovenske železnice with other railway administrations in Europe. However, given Slovenia's geographical variety our lines involve some interesting information.
| The steepest line | Prvačina- Štanjel 26,7 permil |
|---|---|
| Source: Statistical data SŽ | |
| The longest horizontal line | Ruše-Fala in the length of 6.500 m on the line Maribor-Prevalje |
| The longest stretch of flat land | Ptuj-Velika Nedelja in the length of 15.810 m on the line Pragersko-Središče |
| The highest railway station above sea level | Postojna 582 m |
| The lowest railway station above sea level | Koper 3 m |
| The longest bridge | 575 m Novo mesto on the industrial rail line for Revoz |
| The higest bridge | 30 m Most na Soči over the Idrijca river |
| The longest tunnel | Bohinj tunnel 6327,3 m |
| The shortest tunnel | Radovljica 25,03 m |
| The oldest line | The southern state railway Šentilj-Celje 2 June 1846 |