Rail Transport Abbreviations and Acronyms

1. PNB
   Personal Needs Break
2. PNCX
   Precision National
3. PNR
   Panhandle Northern Railroad Company
4. PNRR
   Pennsylvania Northeastern
5. PNRW
   Piedmont Northern Railroad
6. PNW
   Prescott and Northwestern Railroad
7. PNWR
   Portland and Western Railroad Incorporated
8. PO
   Purchase Order
9. POA
   Payment On Account
10. POHC
    Pittsburgh & Ohio Central
11. POLA
    Port of Los Angeles
12. POM
    Port of Montreal
13. POM
    Possession Optimisation Manager
14. POMG
    Police Incident Office
15. PON
    Periodical Operating Notice
16. PORTIS
    Portable Ticket Issuing System
17. POTB
    Port of Tillamook Bay Railroad
18. POV
    Pittsburgh & Ohio Valley
19. POVA
    Pend Oreille Valley Railroad
20. POVR
    Pend Oreille Valley Railroad

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