| Abbreviation | Designation | |
|---|---|---|
| OLD | Regionalnetz Oldenburg (German) | rail transport operations |
| OLD | Oldenburg (Holst) (German) | fare point / vehicle registration plate |
| Old | Oldenburg (Oldb) (1867–1934) (German) | railway administration |
| Abbreviation | Designation | |
|---|---|---|
| OLD | Regionalnetz Oldenburg (German) | rail transport operations |
| OLD | Oldenburg (Holst) (German) | fare point / vehicle registration plate |
| Old | Oldenburg (Oldb) (1867–1934) (German) | railway administration |