| Abbreviation | Designation | |
|---|---|---|
| STB | Süd-Thüringen-Bahn (German) South-Thuringia-Railways | railway company |
| U | Stadtbahn (German) Suburban railway | train category |
| STB | Surface Transportation Board | organization |
| Stb | Stångby (Swedish) | station code |
| STB | Stadtbahn Berlin (BE) (German) Berlin city railway main line | franchise / concession |