| Abbreviation | Designation | |
|---|---|---|
| WT | Wachsamkeitstaste (German) | railway technology |
| SWT | Schönes-Wochenende-Ticket (German) | rate for rail travel / ticket |
| WFT | WestfalenTarif, WestfalenTarif GmbH (German) | rate for rail travel / ticket |
| Wt | ED Wuppertal (1949–1953), Eisenbahndirektion Wuppertal (German) | railway administration |
| Wt | Rbd Wuppertal (1930–1937), Reichsbahndirektion Wuppertal (German) | railway administration |
| Wt | RBD Wuppertal (1937–1949), Reichsbahndirektion Wuppertal (German) | railway administration |