Rail Transport Abbreviations and Acronyms

1. UPP
   Union Pacific Railroad Company
2. UPP
   Union Pacific Passenger
3. UPRC
   Union Pacific Railroad Company
4. UPRU
   Union Pacific Railroad Company
5. UPS
   Uninterruptible Power Supply
6. UPY
   Union Pacific Yard
7. UPZ
   Union Pacific Railroad Company
8. UR
   Union Railroad
9. URFD
   Ultrasonic Rail Flaw Detection
10. URFDO
    Ultrasonic Rail Flaw Detector Operator
11. URL
    Up Relief Line
12. URO
    Union Railroad of Oregon
13. URR
    Union Railroad
14. USA
    United States Army
15. USAF
    U.S. Air Force
16. USASOC
    United States Army
17. USAX
    United States Army
18. USAX
    United States Department of Defense
19. USBX
    CIT Group/Capital Finance, Inc
20. USDD
    United States Department of Defense

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