Rail Transport Abbreviations and Acronyms

1. ISO
   International Standards Organisation
2. MAS
   Multiple Aspect Signalling
3. MAS
   Management Aspects of Supervision
4. MET
   Modesto and Empire Traction Company
5. NCR
   Nonconformance Report
6. C/O
   Chesapeake and Ohio railroad
7. CCO
   Clinchfield Railroad Company
8. CCT
   Central California Traction Company
9. CCTV
   Closed Circuit Television
10. ECU
    European Currency Unit
11. FAST
    Federation Against Software Theft
12. J
    Junction
13. MARC
    Maryland Transit Administration
14. O|M
    Operation and Maintenance
15. P&L
    Profit and Loss statement
16. sam
    Switch Activating Mechanism
17. SCM
    Senior Contracts Manager
18. SPV
    Special Purpose Vehicle (sometimes Single Purpose Vehicle)
19. ACWP
    AccuracyActual Cost of Work Performed
20. ANSI
    American National Standards Institute, Inc.

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