Transportation Abbreviations and Acronyms

1. RR
   Refit and Repair
2. RR
   Relaxed Rider
3. RRB
   Railroad Retirement Board
4. RRB
   Readiness Review Board
5. RRB
   Radar Range Bearing
6. RRBI
   Radar Range Bearing Indicator
7. RRBS
   Rail Replacement Bus Service
8. RRCS
   Remote Radiogcontrol System
9. RRD
   Reduced Resolution Data
10. RRD
    Raw Radar Data
11. RRD
    Radar Range Development
12. RRDF
    Ready Reserve Force
13. RRDF
    Ro- Ro Discharge Facility
14. RRDR
    Raw Radar Data Recorder
15. RRF
    Ready Reserve Force
16. RRFB
    Rapid Rectangular Flashing Beacon
17. RRI
    Reference Loughness Index
18. RRI
    Reference Roughness Index
19. RRIF
    Railroad Rehabilitation and Improvement Financing
20. RRIF
    Railroad Rehabilitation & Improvement Financing

Last updated: January 23, 2022 — Total entries: 10,050