Mid Michigan (MMRR, MS, GRE)

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Mid Michigan History

  • AAR Reporting Marks - MMRR, GR & MS
  • Owned by RailAmerica
  • Railroad is split into 3 sections.
    • Muskegon - Michigan Shore Division. Operates old MS trackage around Muskegon and former CSX Fremont Subdivision from West Olive to Fremont through Muskegon. Interchanges with CSX in Holland.
    • Grand Rapids - Grand Rapids Eastern Division. Operates former GTW trackage from Grand Rapids to Lowell and a small section of former PM trackage in Lowell. Also operated former GTW trackage from Lowell to Ionia and former PM trackage from Lowell to Greenville, both of which have been abandoned. Interchanges with CSX, Grand Elk and Coopersville & Marne in Grand Rapids.
    • Alma - Mid Michigan Division. Operates former PM trackage from Alma to Paines. Uses power from the HESR. Interchanges with Great Lakes Central in Alma and Huron & Eastern and Saginaw Bay Southern in Paines.

Mid Michigan Trains

Symbol Origin/Base Destination/Turn Location Frequency Notes
Z627 Muskegon Holland (Waverly Yard) Weeknights Symbol used on CSX from Power Block south
Z634 Grand Rapids Varies Varies Symbol used on CSX when crossing Fuller diamonds and working interchange yard

Mid Michigan (MMRR, GR, MS) Locomotives

Number Model Year Built Assigned to Notes
MMRR 24 GP9 1958 Grand Rapids ex-BN 1947 / NP 368
MS 73 SW1200 1964 Muskegon ex-KCT 73
MMRR 179 GP9 1960 Muskegon ex-QCM 5
MS 180 GP9 1960 Muskegon ex-MMRR 180 / QCM 6 Scrapped 2012
KRR 3801 GP35M 1965 Muskegon Ex Missouri Pacific, deturboed and rated at 2,000 HP
KRR 3803 GP35M 1965 Muskegon Ex Missouri Pacific, deturboed and rated at 2,000 HP. Stored OOS at Henry St.
MMRR 3836 GP38 1967 Muskegon ex-MMRR 5080 / CSXT 2080 / CO 3880
GR 3839 GP38 1970 Muskegon ex-GR 5106 / CSXT 2106 / BO 4806
CFE 3885 GP38-2 1979 Muskegon ex-CNW 4619

Mid Michigan (MMRR, GR, MS) Frequencies

Frequency AAR Channel Notes
161.235 75 General Operations (Grand Rapids and Muskegon Divisions)
161.520 94 General Operations (Muskegon Division)
161.145 69 General Operations (Alma Division)
160.815 47 MOW
154.600 FCC Mobiles
154.570 FCC Mobiles

Mid Michigan Customers (Alma (MMRR) Division)

Customer Location Recieves/Ships Notes

Mid Michigan Customers (Grand Rapids (GRE) Division)

Customer Location Receives/Ships Notes
Rosewood Grand Rapids Boxcars
Poly Precision Grand Rapids Covered Hoppers
Amway/Alticor Ada Covered Hoppers, Tank Cars
King Milling Lowell Covered Hoppers of grain
American Wire Lowell Gondolas of wire
Gallaghers Fertilizer Ionia Tank Cars Last car received in Spring 2008

Mid Michigan Customers (Muskegon (MS) Division)

Customer Location Receives/Ships Notes
Brinks Refinery N. Muskegon Tank Cars Receives inbound nitrogen solution
Groenleer Hardware Ferrysburg Covered Hoppers Inbound Fertilizer
Shape Co. Spring Lake Boxcars Ships roller-formed automobile bumpers from the Bay Logistics Warehouse
Bay Logistics Spring Lake Boxcars Receives and stores inbound newsprint for area newspapers
Sappi Fine Paper Co. Muskegon Boxcars, Tank Cars Plant currently idled
Nugent Sand Muskegon 2 Bay Covered Hoppers Currently shipping sand for Sargent Sand (Ludington, MI)
Webb Chemical Muskegon Tank Cars Receive numerous types of chemicals
West Michigan Dock & Market (Mart Dock) Muskegon Boxcars Warehouses inbound wood pulp for Sappi. Currently not receiving cars as the Sappi plant has been idled.
Bayer Crop Science N. Muskegon Tank Cars
Fremont Co-op Elevator Fremont Covered Hoppers/Tank Cars Receives nitrogen solution, ships grain
Gerber Fremont Has not received cars in recent years


Back to Michigan Shortlines

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