Rail Transport Abbreviations and Acronyms

1. SIN
   Special Inspection Notice
2. SIN
   Special Instruction Notice
3. Sinac
   Special Inspection Notice Action Complete
4. Sincs
   Signalling Incident System
5. SIND
   Southern Indiana Railway Incorporated
6. SINMON
   Special Inspection Notice MONitor
7. SIRR
   Southern Industrial Railroad
8. SIRT
   STATEN ISLAND RAPID TRANSIT
9. Sits
   Security Incident Tracking System
10. SIXX
    636 Leasing
11. SMBX
    Southern MN Sugar Beet Coop
12. Smth
    Signal Maintenance Tester's Handbook
13. SMV
    Santa Maria Valley Railroad Company
14. SOPOR
    Societe du Port Ferroviaire de Baie-Comeau Haute-Rive
15. SOT
    SOUTH OMAHA TERMINAL RAILWAY COMPANY
16. Sowc
    Shows Occupied when Clear
17. SPSR
    San Pedro & Southwestern Railway Co
18. SPSX
    Progress Rail Services Corp
19. SPUD
    St. Paul Union Depot Company
20. SPWEE
    Safety Procedures for Working on Electrical Equipment

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