Rail Transport Abbreviations and Acronyms

1. SGT
   Serco Gauging Train
2. SGVY
   Saginaw Valley Railway Company Incorpora
3. SH
   Steelton and Highspire Railroad Company
4. SHA
   Safety Hazard Analysis
5. SHRR
   Steelton and Highspire Railroad Company
6. SHRT
   South Hampshire Rapid Transit
7. SHRT
   Shaker Heights Rapid Transit
8. SI
   Site Instruction
9. SI
   Spokane International Railroad Company
10. SICA
    Signalling Infrastructure Condition Assessment
11. SID
    Companhia Siderúrgica Nacional
12. SIGTAN
    SIGnalling equipment Technical Advice Notice
13. SIGWEN
    Signalling Equipment Workshop Engineering Notice
14. SIL
    Safety Integrity Level
15. SILX
    S&I LOCOMOTIVE SERVICES, INC.
16. SIMBIDS
    SIMplified BI–Directional Signalling
17. SJL
    St Johnsbury & Lamoille County RR
18. SJT
    St Joseph Terminal
19. SJVR
    San Joaquin Valley RR
20. SKOL
    South Kansas and Oklahoma

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