| Subdivision | From | To | Length | Sidings | Control | Timetable |
|---|---|---|---|---|---|---|
| Montmagny | Riviere-Du-Loup Quebec | West Junction Quebec | 118 miles | 8 | CTC | Montmagny |
| Levis | St-Charles Quebec | Ultramar Quebec | 15.2 miles | 0 | OCS | Levis |
| Bridge | Joffre Quebec | Quebec Quebec | 15.9 miles | 0 | CTC | Bridge |
| Drummondville | St-Romuald Quebec | Ste-Rosalie Quebec | 119.5 miles | 18 | CTC | Drummondville |
| La Tuque | Cap-Rouge Quebec | FitzpatrickQuebec | 125.4 miles | 2 | OCS | La Tuque |
| Lac St-Jean | Triage Garneau Quebec | Arvida Quebec | 203.5 miles | 10 | OCS | Lac St-Jean |
| Roberval | Chambord Quebec | Dolbeau Quebec | 57.2 miles | 2 | OCS | Roberval |
| Cran | Triquet Quebec | Faribault Quebec | 133.2 miles | 1 | OCS | Cran |
| St-Maurice | Fitzpatrick Quebec | Senneterre Quebec | 257.2 miles | 4 | OCS | St-Maurice |
| Joliette | Triage-Garneau Quebec | Pointe-Aux-Tremles Quebec | 87.7 miles | 8 | OCS | Joliette |
| Chapais | Barraute Quebec | Chibougamau Quebec | 200.2 miles no track between 78.06 & 169.4 | 0 | OCS | Chapais |
| ValD’Or | Senneterre Quebec | SNoranda Quebec | 101.5 miles | 1 | OCS | Val D’or |
| Matagami | Franquet Quebec | Matagami Quebec | 61.3 miles | 0 | OCS | Matagami |
| Taschereau | Senneterre Quebec | La Sarre Quebec | 99.1 miles | 0 | OCS | Taschereau |