Rail Lexicon Abbreviations and Acronyms

1. PDS
   Project Definition Stage
2. PEARS
   Paladin Data Extract and Recording Systeu
3. PER
   Relocatable Equipment Room
4. PEX
   Cross-Linked Polyethylene
5. PI
   Platfoem Indicator
6. PLOD
   Patrolman'S Lockout Device
7. PMBE
   Private Manual Branch Exchange
8. PMBX
   Private Manual Branch Exchange
9. PMI
   Project Manager'S Instruction
10. PORV
    Possession Only Rail Vehicle
11. POSA
    Proceed On Sight Authority
12. PP
    Period Available for Possessions
13. PPP
    Primavera Project Planner
14. PPTD
    Powered Plant Training - Disc Cutter
15. PT-R
    Promotion Transfer & Redundancy
16. PWRA
    Private Wagon Owners Registration Agreement
17. RAC
    Risk Assessment Criteria
18. RAIB
    Railway Accident Investigation Branch
19. RCC
    Route Control Centre
20. RCDO
    Railway Crossing Diversionnorder

Last updated: January 4, 2020 — Total entries: 299