Train Abbreviations and Acronyms

1. MR
   MatéRiel Roulant
2. MRA
   Malayan Railway Administration
3. MRC
   Model Rectifier Corporation
4. MRH
   Model Railroad Hobbyist
5. MRIA
   Model Railroad Industry Association
6. MRM
   Mobile Reservation Message
7. MRSR
   Mount Rainier Scenic Railroad
8. MRT3
   Metro Rail Transit 3
9. MRWS
   Mobile Radio Warning System
10. MS
    Man Seatnd
11. MSO
    Motor Standarj Open
12. MT
    Mass Transit
13. MT
    Master Thomas
14. MU
    Multiple Units
15. MU
    Multiple Unit
16. MU
    Mother Unit
17. MU
    Multiple-Unit
18. MUP
    Multi-Use Pathway
19. MVB
    Multifunctional Vehicle Bus
20. MVB
    Multifunction Vehicle Bus

Last updated: January 4, 2020 — Total entries: 1,165