| Alexandria (KCS) Subdivision | 128.2 |
| Alexandria (UP) Subdivision | 75.7 |
| Anchorage Subdivision | 23.4 |
| Avoyelles Subdivision | 12.6 |
| Baton Rouge Subdivision | 97.5 |
| Bayou Sale Branch | 5.7 |
| Beaumont (KCS) Subdivision | 213 |
| Bogalusa Subdivision | 68 |
| Breaux Bridge Subdivision | 7.2 |
| Cypremort Branch | 14.9 |
| Dequincy (UP) Subdivision | 114.1 |
| Deridder Subdivision | 38.9 |
| Greenville Subdivision | 182.3 |
| Hammond Subdivision | 44.2 |
| Hodge Subdivision | 110.5 |
| Hope (LAS) Subdivision | 35.6 |
| Lafayette (BNSF) Subdivision | 196.8 |
| Lafayette (UP) Subdivision | 71.4 |
| Lake Charles (UP) Subdivision | 78 |
| Livonia Subdivision | 105 |
| Lockport Branch | 14.5 |
| Lufkin Subdivision | 228.7 |
| McComb Subdivision | 183.7 |
| McGehee Subdivision | 153.3 |
| Midland Branch | 21.3 |
| Monroe Subdivision | 101.6 |
| Mop Line | 4.6 |
| NO&M Subdivision | 138.5 |
| NO&NE District | 196.8 |
| New Orleans Subdivision | 174.7 |
| New Orleans Terminal | 28.5 |
| Princeton Subdivision | 27 |
| Reisor Subdivision | 156.7 |
| Shreveport (KCS) Subdivision | 213.4 |
| Shreveport (UP) Subdivision | 62.2 |
| Shreveport Industrial Track | 4.2 |
| Shreveport Terminal | 34.9 |
| Vicksburg Subdivision | 171 |
