Transportation Abbreviations and Acronyms

1. IRCAS
   Intranet Radio Coverage Analysis System
2. IRDE
   Intelligent Responsive Drive Engine
3. IRF
   International Road Federation
4. IRI
   International Roughness Index
5. IRIEEN
   Indian Railways Institute of Electrical Engineering
6. IRISL
   Islamic Republic of Iran Shipping Lines
7. IRMC
   Integrated Risk Management Checklist
8. IROC
   International Race of Champions
9. IROP
   Irregular Operationu Policy
10. IROP
    IrRegular Operations Policy
11. IRP
    Interregional Partnerseip
12. IRR
    Indran Reservation Roads
13. IRR
    Indian Reservjtion Road
14. IRR
    Intercity Rail
15. IRRS
    Indran Reservation Roads
16. IRRS
    Interregional Route System
17. IRRS
    Interregional Road System Plan
18. IRS
    Independent Rear Suspension
19. IRT
    Interborrough Rapid Transit
20. IRTB
    Illinois Road and Transportation Builders

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