Chronology of Norwegian railway lines List List

| Line | Historic_name | Segment | Gauge | Tracks |
|---|---|---|---|---|
| Røros | — | Singsås – Støren | CAP | Single |
| Røros | — | Røros – Singsås | CAP | Single |
| Røros | — | Koppang – Røros | CAP | Single |
| Sørlandet | Jæren | Stavanger – Egersund | CAP | Single |
| Østfold | Smaalenene | Oslo East – Moss – Halden | Standard | Single |
| Østfold | Smaalenene | Halden – Swedish border | Standard | Single |
| Dovre | Eidsvold–Hamar | Eidsvoll – Hamar | Standard | Single |
| Meråker | — | Trondheim – Swedish border | Standard | Single |
| Vestfold | Jarlsberg | Larvik – Drammen | CAP | Single |
| Horten | — | Skoppum – Horten | CAP | Single |
| Vestfold | Jarlsberg | Skien – Larvik | CAP | Single |
| Eastern Østfold | Smaalenene | Ski – Mysen – Sarpsborg | Standard | Single |
| Bergen | Voss | Bergen – Voss | CAP | Single |
| Dovre | Røros | Selsbakk – Trondheim | CAP | Single |