Rail Transport Abbreviations and Acronyms

1. MLFR
   Mainline Freight
2. MLHX
   American Refrigerator Transit Company
3. MLRI
   Multi–Lamp Route Indicator
4. MM
   Money Market
5. MMA
   Montreal, Maine & Atlantic Railway
6. MMAX
   Martin-Marietta Aggregates
7. MMC
   Monopolies and Mergers Commission
8. MMID
   Maryland Midland Railway
9. MMKT
   Money Market
10. MML
    Midland Main Line
11. MML
    Minimum Monetary Limit
12. MMRR
    Mid-Michigan Railroad Incorporated
13. MN
    Minnesota Northstar
14. MN&S
    Minneapolis Northfield & Southern
15. MNA
    Missouri & Northern Arkansas
16. MNBR
    M and B Railroad Llc
17. MNC
    Missouri North Central RR
18. MNCR
    Metro North Commuter Railway
19. MNCW
    Metro-North Commuter Railroad
20. MNE
    Manistee & North East

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