STANDARD GAUGE LINES
| No. | Line | length |
|---|---|---|
| TA | Tunis-Algerian borders | 217 km |
| 1 | Jedeida -Bizerte | 72 km |
| 2 | Mateur-Tabarka | 103 km |
| 3 | Mateur-Sidi M’himech | 55 km |
| 4 | Tinja -Menzel Bourguiba | 4 km |
| 19 | Sidi Smail-La Merdja | 18 km |
METRIC GAUGE LINES
| No. | Line | length |
|---|---|---|
| 5 | Tunis-Gabes | 415 km |
| 6 | Tunis-Kasserine | 314 km |
| 7 | Bir kassa-La Goulette | 9 km |
| 8 | Les Salines- Le Kef | 33 km |
| 9 | Fej Ettameur-Tajerouine | 18 km |
| 10 | Bir Bou Rekba-Nabeul | 17 km |
| 11 | Kalaa Sghira-Kasserine | 195 km |
| 12 | Kalaâ Sghira-M’Saken | 21 km |
| 13 | Ghraiba-Tozeur | 234 km |
| 14 | Aguila-Sehib | 25 km |
| 15 | Metlaoui-Kasserine | 141 km |
| 16 | Tabeditt-Redayef | 17 km |
| 17 | El Founi-El Hamada | 19 km |
| 18 | M’Saken-Moknine | 34 km |
| 20 | Tunis-La Goulette | 10 km |
| 21 | Gafsa-El Aouinet | 129 km |
| 22 | Sousse-Mahdia | 65 km |
