Rail Transport Abbreviations and Acronyms

1. SL
   Salt Lake Southern RR
2. SLA
   Service Level Agreement
3. SLAL
   South Plains Lamesa Railroad
4. SLC
   San Luis Central Railroad Company
5. SLGG
   Progress Rail Services Corporation
6. SLGW
   Salt Lake, Garfield, and Western Railway Company
7. SLIM
   St Louis, Iron Mountain & Southern
8. SLOA
   Steam Locomotive Operators Association
9. SLQ
   St. Lawrence and Atlantic Railroad
10. SLR
    St. Lawrence and Atlantic Railroad Company
11. SLR
    ST. LAWRENCE & ATLANTIC
12. SLRG
    San Luis and Rio Grande railroad
13. SLRR
    St. Lawrence & Raquette River Railroad
14. SLRS
    SMS Rail Service Incorporated
15. SLSF
    Saint Louis-San Francisco
16. SLU
    Standardrlength Unit
17. SLU
    Standard Length Unit
18. SLUT
    South Lake Union Trolley
19. SLW
    Single Line Working
20. SLWC
    Stillwater Central Railroad

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