59th Street Subdivision (R)  |
| Albert Lea Subdivision (R) |
| Barr Subdivision (R) |
| Bay Ridge Branch (R) |
| Belt Line Branch (R) |
| Bemidji Subdivision (O) |
| Binghamton Terminal (O) |
| Buffalo Consolidated Terminal (R) |
| Buffalo Line (NS) (R) |
| Buffalo Terminal (R) |
| Canadian Main Line (O) |
| Carrington Subdivision (O) |
| Castleton Subdivision (R) |
| Chicago (AMTK) Subdivision (R) |
| Chicago (CPRS) Subdivision (O) |
| Chicago Line (R) |
| Clarendon and Pittsford Subdivision (R) |
| Cleveland Short Line (R) |
| Cleveland Terminal (R) |
| Clinton (UP) Subdivision (R) |
| C&M Subdivision (O,R) |
| Colonie Main Line (O) |
| Davenport Subdivision (O) |
| Detroit District (R) |
| Detroit Lakes Subdivision (O) |
| Detroit Line (R) |
| Dresser Subdivision (R) |
| Dubuque Subdivision (R) |
| Elbow Lake Subdivision (O) |
| Eldridge Subdivision (O) |
| Elgin Subdivision (O,R) |
| Elsdon Subdivision (R) |
| Erie West Subdivision (R) |
| Fairmont Subdivision (R) |
| Flint Subdivision (R) |
| Fox Lake Subdivision (O,R) |
| Freeport Subdivision (R) |
| Freight Main Line (O) |
| Freight Main Line South (O) |
| Garrett Subdivision (R) |
| Geneva Subdivision (R) |
| Glencoe Subdivision (R) |
| Grand Forks Subdivision (R) |
| Greenwich Subdivision (R) |
| Harlem River Lead (R) |
| Harrisburg Line (R) |
| Harvard Subdivision (R) |
| Hellgate Line (R) |
| Hinckley Subdivision (R) |
| Hudson Line (R) |
| Hudson River Lead (R) |
| Huntington District (R) |
| Huron Subdivision (O,R) |
| IHB Main Line (R) |
| Iowa City Subdivision (R) |
| Jackson Subdivision (O) |
| Kankakee Line (R) |
| Kansas City District (R) |
| Kansas City Subdivision (O) |
| Kenton Line Subdivision (R) |
| Kenwood Running Track (O) |
| Lakeshore Subdivision (R) |
| Lakes Subdivision (R) |
| Laredo Subdivision (O) |
| La Salle Subdivision (R) |
| Lehigh Line (R) |
| Leithton Subdivision (R) |
| Madison Subdivision (R) |
| Main Tracks (KCTL) Subdivision (R) |
| M and P Subdivision (O) |
| Mankato Subdivision (R) |
| Marquette Subdivision (O) |
| Mason City (CPRS) Subdivision (O) |
| Merriam Park Subdivision (O) |
| Michigan Line (R) |
| Midway Subdivision (R) |
| Milwaukee (UP) Subdivision (R) |
| Milwaukee (WSOR) Subdivision (R) |
| Monroe Subdivision (R) |
| Monticello Subdivision (R) |
| National Docks Branch (R) |
| Newtown Subdivision (O) |
| Niagara Branch (R) |
| Northern Subdivision (R) |
| Northwest Bridge Subdivision (O) |
| Noyes (BNSF) Subdivision (R) |
| Noyes (CPRS) Subdivision (O) |
| Osage Subdivision (O) |
| Ottumwa (CPRS) Subdivision (O) |
| Owatonna Subdivision (O) |
| Patriot Corridor (R) |
| Paynesville Subdivision (O) |
| Philadelphia Subdivision (R) |
| Pittsburgh Line (NS) (R) |
| Pittsburg Subdivision (O,R) |
| Portal Subdivision (O) |
| Port Road Branch (R) |
| Port Subdivision (R) |
| Reading Line (R) |
| Reedsburg Subdivision (R) |
| River Subdivision (O) |
| Rockford Subdivision (O) |
| Rock Island Spur (R) |
| Selkirk Subdivision (R) |
| Sheldon Subdivision (O) |
| South Bend Subdivision (R) |
| Southern Tier Line (NS) (R) |
| Spokane (UP) Subdivision (R) |
| Staples Subdivision (R) |
| St Paul Subdivision (O,R) |
| Sumas Subdivision (R) |
| Sunbury Subdivision (O) |
| Sweet Grass Subdivision (R) |
| Tomah Subdivision (O) |
| Tracy Subdivision (O) |
| Trenton Line (R) |
| Trenton Subdivision (R) |
| Valley Subdivision (R) |
| Veblen Subdivision (O) |
| Waseca Subdivision (O) |
| Watertown (CPRS) Subdivision (O) |
| Watertown (WSOR) Subdivision (R) |
| Waukesha (CN) Subdivision (R) |
| Wayzata Subdivision (R) |
| West Sub Subdivision (R) |
| Willard Subdivision (R) |
| Willard Terminal (R) |
| Withrow Subdivision (O) |
