Rail Transport Abbreviations and Acronyms

1. TNHR
   Three Notch railroad
2. TNM
   Union Pacific Railroad Company
3. TNM
   Train Network Management
4. TNMR
   Texas and New Mexico Railroad Company
5. TNO
   Texas & New Orleans
6. TNVR
   Tennessee Valley Railroad Museum
7. TO
   Technical Officer
8. TO
   Team Organiser
9. TOC
   Conrail
10. TOC
    Test On Completion
11. TOC
    Toledo & Ohio Central
12. TOC
    Train Operating Company
13. TOE
    Texas Oklahoma and Eastern Rr Company
14. TOFC
    Trailer-On-Flat-Car
15. TOFC
    trailer-on-flatcar
16. TOHD
    Tops Operations Help Desk
17. TOL
    Train On Line
18. TOOS
    Taken Out of Service
19. TOPS
    Total Operations Procyssing System
20. TOPS
    Total Operations Processing System

Last updated: May 24, 2020 — Total entries: 4,035