Many segments have been abandoned, or sold to short line operators.
via CSX former B&O (Blue Island-Pine Jct.)
via NS former NYC (Pine Jct.-Porter)
Grand Rapids Subdivision (Porter-Grand Rapids)
Plymouth Subdivision (Grand Rapids-Detroit)
Hamilton Industrial Track/Consumers Energy Spur (Allegan-Hamilton-Consumers Energy)
Line Sold to Michigan Shore Railroad
Muskegon Subdivision (Consumers Energy Spur-Muskegon)
Fremont Subdivision (Muskegon-Fremont-Big Rapids)
Line Sold to Chesapeake & Indiana Railroad
La Crosse Subdivision (New Buffalo-Wellsboro-La Crosse)
Line Sold to West Michigan Railroad
Paw Paw Subdivision (Lawton-Paw Paw-Hartford-South Haven)
Line Sold to Marquette Rail
Baldwin Subdivision (Grand Rapids-Baldwin)
Line Sold to Great Lakes Central Railroad
Traverse City Subdivision (Baldwin/Manistee-Grawn-Traverse City)
Petoskey Subdivision (Traverse City-Williamsburg-Petoskey)
Abandoned Lines
Elk Rapids Subdivision/Hart Subdivision/Ionia Subdivision
Suttons Bay Subdivision (Traverse City-Northport)
Earlier Abandoned Lines
Kalkaska Branch (Rapid City-Stratford)
Connected with Petoskey Subdivision at Rapid City.
Fruitport Branch (Kirk-Fruitport-Muskegon)
Alternate route south of Muskegon.
Saginaw Subdivision (Mt. Morris-Toledo)
Line Sold to Lake State Railway
Saginaw Terminal Subdivision (Saginaw-Mt. Morris/Bay City/Midland)
Lines Sold to Marquette Rail
Ludington Subdivision (Midland-Baldwin-Ludington)
Manistee Subdivision (Walhalla-Manistee)
Line Sold to Mid-Michigan Railroad
Elmdale Subdivision (Saginaw-Alma-Freeport)
Lines Sold to Huron & Eastern Railway
Port Huron Subdivision (Saginaw-Brown City-Port Huron)
Bad Axe Subdivision (Saginaw-Croswell-Port Huron)
Port Austin Subdivision/Harbor Beach Subdivision (Kinde Branch/Ruth Branch)
Abandoned Lines
Remus Subdivision/Lakeview Subdivision/Stanton Subdivision
Mount Pleasant Subdivision/Otisville Subdivision/Sandusky Subdivision
Line Sold to Chesapeake & Indiana Railroad
Wabash Subdivision (Griffith-La Crosse-North Judson-Peru)
Line Sold to Indiana Eastern Railroad
Miami Subdivision (Peru-Richmond-Fernald-Cincinnati)