| Abbreviation | Designation | |
|---|---|---|
| z | z-Stellung (German) | vehicle fleet |
| Z | Zug (German) train | vehicle fleet |
| z | Zugsammelschiene (German) | classification |
| SE-Z | Jämtland, Jämtlands län (Swedish) | country code |
| Z | Zwickau (Sachs) Hbf, Stadt Zwickau (German) | fare point / vehicle registration plate |