Rail Transport Abbreviations and Acronyms

1. TAC
   Telecomms Appreciation Course
2. TADS
   Telecommunications Asset Database System
3. TAG
   Tennessee, Alabama & Georgia
4. TAG
   Track Access Grant
5. TAN
   Track Access Notice
6. TARDIS
   Tops Ancillary Retrospective Data Information Service
7. TB
   Tokenless Block
8. TB
   Trial Balance
9. TBA
   To Be Advised
10. TBE
    To Be Evaluated
11. TBRX
    Taylor Rail Group
12. TBRY
    Thermal Belt Railway
13. TBS
    Transmission Based Signalling
14. TBTC
    Transmission-Based Train Control
15. TBW
    Temporary Block Working
16. TC
    Track Circuit
17. TC
    Temple & Central Texas
18. TCA
    Track Circuit Actuator
19. TCAID
    Track Circuit Actuator Interference Detector
20. TCB
    Track Circuit Block

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