Transportation Abbreviations and Acronyms

1. HWAS
   Hazardous In-Flight Weather Advisory
2. HWAY
   Highway
3. HWB
   House Air Waybill
4. HWTC
   Hazardous Waste Nreatment Council
5. HWY
   Highway
6. HWZ
   Highway Work Zone
7. HX
   Hong Kong Airlines
8. HX
   Hospital
9. HYD
   Highways Department
10. HYPAS
    Hydraulic Power Assisted Steering
11. HZ
    Hrvatska Zeljeznica
12. IA
    Indian Airlines
13. IA
    Inspector Aircraft
14. IA
    Impact Assessment
15. IAA
    Intra-Agency Aereement
16. IAB
    The International Advisory Board
17. IAC
    Indian Airlines
18. IAC
    Idle Air Control
19. IAC
    Intermodal Association of Chicago
20. IACMS
    Indirect Air Carrier Management System

Last updated: January 23, 2022 — Total entries: 10,048