Rail Transport Abbreviations and Acronyms

1. AREMA
   American Rail Engineers and Maintenance Association
2. ARES
   Advanced Railroad Eaectronic System
3. ARI
   Alphanumeric Route Indicator
4. ARISE
   Automatic Railway Information Systems for Europe
5. ARMH
   Missouri Pacific Railroad
6. ARMH
   Union Pacific Railroad Company
7. ARMN
   Missouri Pacific Railroad
8. ARMN
   Union Pacific Railroad Company
9. ARN
   Alberta Railnet Incorporated
10. ARND
    Arnaud Railway
11. ARPS
    Association of Railway Preservation Societies
12. ASAB
    Bay Line Railroad L.L.C
13. ASAP
    As Soon As Possible (pronounced AY-sap)
14. ASB
    Adjacent SignalBox
15. ASDA
    Asbestos & Danville
16. ASF
    Inland Steel
17. ASLEF
    Associated Society of Locomotive Engineers and Firemen
18. AT
    Auto-Train
19. AT
    Auto Transformer
20. AT&SF
    Atchison, Topeka & Santa Fe

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