| Subdivision | From | To | Length | Spurs | Authority | Time Table |
|---|---|---|---|---|---|---|
| Fort Frances | Antikokan | Rainy River | 143.6 miles | 14 | CTC | Fort Frances |
| Graham | Conmee | Superoir Junction | 159.5 miles | 14 | MBS | Graham |
| Kashabowie | Thunder Bay North | Antikokan | 141.4 miles | 7 | CTC & ABS | Kashabowie |
| Kinghorn | Longlac Juction | Current Junction | 195.8 of 197.5 miles | 15 | MBS | Kinghorn |
| Sprague | Rainy River | Navin | 0.7 of 145.7 miles | 14 | CTC | Sprague |