Rail Transport Abbreviations and Acronyms

  1. HV
    High Visibility
  2. HV
    Hocking Valley
  3. HVAC
    Heating, Ventilating, and Air Conditioning
  4. HVI
    High Voltage Impulse
  5. HVRR
    Hocking Valley
  6. HW
    Hardware
  7. HZ
    cycles per second (hertz)
  8. IA
    Implementation Authority
  9. IA
    Investment Authority
  10. IAIS
    Iowa Interstate Railroad
  11. IAMS
    Integrated Asset Management System
  12. IANR
    Iowa Northern Ry
  13. IANW
    Iowa Northwestern Railroad
  14. IARR
    Iowa River RR
  15. IBCX
    Indiana Box Car Corporation
  16. IBH
    Intermediate Block Home Signal
  17. IBHS
    Intermediate Block Home Signal
  18. IBIS
    Internal Business Invoicing System
  19. IBJ
    Insulated Block Joint
  20. IBS
    Intermediate Block Section

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