| Abbreviation | Designation | |
|---|---|---|
| RAG | Regentalbahn AG – ‘Die Länderbahn’, Regentalbahn AG (German) | railway company |
| DLB | DreiLänderBahn (German) | offer / trademark |
| DLB | Drei-Länder-Bahn (HE/NW/RP) (German) | franchise / concession |
| Abbreviation | Designation | |
|---|---|---|
| RAG | Regentalbahn AG – ‘Die Länderbahn’, Regentalbahn AG (German) | railway company |
| DLB | DreiLänderBahn (German) | offer / trademark |
| DLB | Drei-Länder-Bahn (HE/NW/RP) (German) | franchise / concession |