Rail Transport Abbreviations and Acronyms

1. SM
   St. Mary's Railroad
2. SMA
   Statistical Multiplexer Appreciation
3. SMA
   San Manuel Arizona Railroad Company
4. SMA
   Single Manning Agreement
5. SMART
   Specific, Measurable, Achievable, Realistic, Timebased
6. SME
   Signalling Maintenance Engineer
7. SMFD
   Systems Management Framework Design
8. SMG
   Systems Management Group
9. SMIC
   Site Manager's Information Compendium
10. SMIS
    Safety Management Information System
11. SMN
    Smoky Mountain Ry. Co
12. SMNR
    Southern Manitoba Railway
13. SMOS
    Structure Mounted Outdoor Switchgear
14. SMRR
    Sisseton Milbank Railroad Incorporated
15. SMRS
    Springfield (MO) Railway Services
16. SMS
    Safety Management Systems
17. SMS
    Signal Maintenance Standard
18. SMSS
    Safety Management Systems
19. SN
    Standard Deviation
20. SN
    Sacramento Northern Railway

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