Aberdeen Subdivision (R)  |
| AGS South District (R) |
| Akron Subdivision (R) |
| Albert Lea Subdivision (R) |
| Alhambra Subdivision (R) |
| Alleghany Subdivision (R) |
| Amtrak (New York City) (O) |
| Atlanta North District (R) |
| Atlanta South District (R) |
| Auburndale Subdivision (R) |
| Austin Subdivision (R) |
| Bakersfield Subdivision (R) |
| Beaumont (KCS) Subdivision (R) |
| Bellingham Subdivision (R) |
| Bellwood Subdivision (R) |
| Berkshire Subdivision (R) |
| Black Butte Subdivision (R) |
| Blue Ridge District Crewe to Roanoke (R) |
| Boise City Subdivision (R) |
| Boston Subdivision (R) |
| Boyles Terminal (R) |
| Brookfield Subdivision (R) |
| Brooklyn District (R) |
| Brooklyn Subdivision (R) |
| Brunswick Branch (R) |
| Brush Subdivision (R) |
| Buffalo Consolidated Terminal (R) |
| Buffalo Terminal (R) |
| Cairo Subdivision (O) |
| Cajon Subdivision (R) |
| Canadian Main Line (R) |
| Carters Subdivision (R) |
| Cascade Subdivision (R) |
| Centralia Subdivision (R) |
| Champaign Subdivision (R) |
| Charleston Subdivision (R) |
| Charlotte District Salisbury to Greenville (R) |
| Charlotte District Yadkin Jct to Albemarle (R) |
| Chicago (AMTK) Subdivision (O) |
| Chicago (BNSF) Subdivision (R) |
| Chicago (CN) Subdivision (R) |
| Chicago Line (R) |
| Chillicothe Subdivision (R) |
| Cincinnati Subdivision (R) |
| Cincinnati Terminal (R) |
| Clarendon and Pittsford Subdivision (R) |
| Cleveland Line (R) |
| Cleveland Terminal (R) |
| C&M Subdivision (R) |
| Coast Subdivision (R) |
| Columbia River Subdivision (R) |
| Columbia Subdivision (R) |
| Connector (MBTA) Subdivision (R) |
| Conn River Subdivision (R) |
| Crawfordsville Branch (R) |
| Creston Subdivision (R) |
| Cumberland Subdivision (R) |
| Cumberland Terminal (R) |
| Dallas (UP) Subdivision (R) |
| Danville District Greensboro to Fetner (R) |
| Danville District Montview to Salisbury (R) |
| Delmarva Secondary (R) |
| Del Rio Subdivision (R) |
| Desoto Subdivision (R) |
| Devils Lake Subdivision (R) |
| East Carolina Bus Unit Goldsboro to Fetner (R) |
| East End District (R) |
| Elko Subdivision (R) |
| Elsdon Subdivision (R) |
| Emporia Subdivision (R) |
| Erie West Subdivision (R) |
| Fairmount (MBTA) Subdivision (R) |
| Fallbridge Subdivision (R) |
| Flint Subdivision (R) |
| Fort Wayne Line (R) |
| Fort Worth (BNSF) Subdivision (R) |
| Fort Worth (UP) Subdivision (R) |
| Freeport Subdivision (R) |
| Freight Main Line (R) |
| Freight Main Line (R) |
| Fresno Subdivision (R) |
| Fulton Subdivision (R) |
| Gallup Subdivision (R) |
| Galveston (BNSF) Subdivision (R) |
| Gila Subdivision (R) |
| Glasgow Subdivision (R) |
| Glenwood Springs Subdivision (R) |
| Glidden Subdivision (R) |
| Glorieta Subdivision (R) |
| Grand Rapids Subdivision (R) |
| Grand Rapids Terminal (R) |
| Greeley Subdivision (O,R) |
| Green River Subdivision (R) |
| Greenville District Greenville to Inman Yard (R) |
| Hamlet Subdivision (R) |
| Hamlet Terminal (R) |
| Hannibal Subdivision (R) |
| Hartford Line (O) |
| Hastings Subdivision (R) |
| Haverhill (MBTA) Subdivision (R) |
| Hellgate Line (O,R) |
| High Line (KCTL) Subdivision (R) |
| Hi Line (R) |
| Hillsboro Subdivision (R) |
| Holly Subdivision (R) |
| Houston Terminal (R) |
| Houston (UP) Subdivision (R) |
| Hoxie Subdivision (R) |
| Hudson Line (R) |
| Indianapolis (CSXT) Subdivision (R) |
| Indianapolis Terminal (R) |
| Jacksonville Terminal (R) |
| Jefferson City Subdivision (R) |
| Joliet (CN) Subdivision (R) |
| Joliet (UP) Subdivision (R) |
| Kanawha Subdivision (R) |
| KCT Subdivision (R) |
| Kenton Line Subdivision (R) |
| Kerrville Subdivision (R) |
| Keystone Corridor (O) |
| Keystone Subdivision (R) |
| Kootenai River Subdivision (R) |
| KO Subdivision (R) |
| Lafayette (BNSF) Subdivision (R) |
| Lafayette (UP) Subdivision (R) |
| La Junta Subdivision (R) |
| Lakeland Subdivision (R) |
| Lakeshore Subdivision (R) |
| Lakeside Subdivision (R) |
| Lakeside Subdivision (R) |
| Little Rock Subdivision (R) |
| Lockport Subdivision (R) |
| Lordsburg Subdivision (O,R) |
| Lowell (MBTA) Subdivision (R) |
| Lynndyl Subdivision (R) |
| Main Line (KCTL) Subdivision (R) |
| Main Subdivision (R) |
| Main Tracks (KCTL) Subdivision (R) |
| Marceline Subdivision (R) |
| Martinez Subdivision (R) |
| McComb Subdivision (R) |
| Memphis (CN) Subdivision (R) |
| Mendota Subdivision (R) |
| Merchants Subdivision (R) |
| Merriam Park Subdivision (R) |
| Metropolitan Subdivision (R) |
| Miami (CXST) Subdivision (R) |
| Miami (TCCX) Subdivision (R) |
| Michigan Line (R,O) |
| Midway Subdivision (R) |
| Milk River Subdivision (R) |
| M&M Subdivision (R) |
| Moffat Tunnel Subdivision (R) |
| Mohawk Subdivision (R) |
| Mojave (UP) Subdivision (R) |
| Monon Subdivision (R) |
| Mountain Subdivision (R) |
| Nahunta Subdivision (R) |
| NA/West End District (R) |
| Needles Subdivision (R) |
| Nevada Subdivision (R) |
| New Haven Line (R) |
| New Orleans Subdivision (R) |
| New Orleans Terminal (R) |
| New River Subdivision (R) |
| New York Terminal (O,R) |
| Niagara Branch (R) |
| Niles Subdivision (R) |
| NO&M Subdivision (R) |
| NO&NE District (R) |
| Norcross District (R) |
| Norfolk District Canal Drive to Crewe (R) |
| Norfolk Terminal (R) |
| Northeast Corridor (CT,MA,RI) (O,R) |
| Northeast Corridor (DE-MD-NJ-PA) (O) |
| North End Subdivision (R) |
| Northern Subdivision (R) |
| Northern Subdivision (R) |
| North Station (MBTA) Subdivision (R) |
| North Yard Branch (R) |
| Omaha (BNSF) Subdivision (R) |
| Omaha (UP) Subdivision (R) |
| Orange Subdivision (R) |
| Orlando Subdivision (R) |
| Ottumwa (BNSF) Subdivision (R) |
| Ottumwa Subdivision (R) |
| Palmer Subdivision (R) |
| Peninsula Subdivision (R) |
| Peninsula Subdivision (R) |
| Phoenix (BNSF) Subdivision (R) |
| Pittsburgh (CSXT) Subdivision (R) |
| Pittsburgh Line (NS) (R) |
| Point Defiance Bypass (R) |
| Portland Subdivision (R) |
| Post Road Branch (O) |
| Prosper Subdivision (R) |
| Provo Subdivision (R) |
| Pueblo Subdivision (R) |
| Raton Subdivision (R) |
| Red Rock Subdivision (R) |
| RF&P Subdivision (R) |
| Richmond & Alleghany Division (R) |
| Richmond Terminal (R) |
| River Subdivision (R) |
| River Subdivision (R) |
| Roanoke Terminal (R) |
| Rochester Subdivision (R) |
| Roseville Subdivision (R) |
| Roxbury Subdivision (R) |
| Russell Subdivision (R) |
| San Bernardino Subdivision (R) |
| Sanderson Subdivision (R) |
| San Diego (SDNR) Subdivision (R) |
| Sanford Subdivision (R) |
| Santa Barbara Subdivision (R) |
| Savannah East Route (R) |
| Savannah West Route (R) |
| Scenic Subdivision (R) |
| Seattle (BNSF) Subdivision (R) |
| Sedalia Subdivision (R) |
| Seligman Subdivision (R) |
| Selkirk Subdivision (R) |
| Shafter Subdivision (R) |
| Sheffield Flyover (R) |
| Shelby Subdivision (R) |
| Shelbyville Secondary (R) |
| Shore Line Subdivision (R) |
| South Bend Subdivision (R) |
| South End Subdivision (R) |
| Southwest Subdivision (R) |
| Spokane (BNSF) Subdivision (R) |
| Springfield-Hannibal District (R) |
| Springfield (UP) - East St Louis Terminal (R) |
| Staples Subdivision (R) |
| St. Croix Subdivision (R) |
| Stockton Subdivision (R) |
| St Paul Subdivision (R) |
| Swanton Subdivision (R) |
| Tampa Terminal (R) |
| Tomah Subdivision (R) |
| Topeka (BNSF) Subdivision (R) |
| Tracy Subdivision (R) |
| Valentine Subdivision (R) |
| Valley (SCAX) Subdivision (R) |
| Valley (UP) Subdivision (R) |
| Ventura Subdivision (R) |
| Villa Grove Subdivision (R) |
| Vulcraft Lead (R) |
| Waco Subdivision (R) |
| Washington District Alexandria to Montview (R) |
| Washington Terminal (O) |
| Watertown (CPRS) Subdivision (R) |
| Yazoo Subdivision (R) |
| Youngstown Line (R) |
| Yuma Subdivision (R) |
