| Subdivision | From | To | Length | Sidings | Control | Timetable |
|---|---|---|---|---|---|---|
| Joliette | Triage Garneau Quebec | Pointe-Aux Trembles Quebec | 87.7 miles | 8 | OCS | Joliette |
| Sherbrooke | Richmond Quebec | Ste-Rosalie Quebec | 42.3 miles | 0 | OCS | Sherbrooke |
| Sorel | Bruno Junction Quebec | Tracy Quebec | 45.48 miles | 1 | OCS | Sorel |
| St-Hyacinthe | Ste-Rosalie Quebec | Montreal Quebec | 35.5 miles | 0 | CTC | St-Hyacinthe |
| St-Laurent | Point-Aux-Trembles Quebec | Josy Quebec | 16.6 miles | 4 | CTC | ST-Laurent |
| Deux Montagnes | Wellington Quebec | Montfort Quebec | 21.8 miles | 3 | CTC | Deux-Montagnes |
| Rouses Point | Rouses Point USA | Southwark Quebec | 42.7 miles | 2 | OCS | Rouses Point |
| Montreal | Cape Quebec | Dorval East Quebec | 11.6 miles | 0 | CTC | Montreal |
| Swanton | US border | Cantic Quebec | 6.9 miles | 0 | OCS | Swanton |
| Kingston | Dorval East Quebec | LYN Ontario | 117.1 miles | 0 | CTC 2 tracks | Kingston |
| Alexandria | Coteau Junction Quebec | Ottawa Ontario | 75.6 miles | 1 | CTC | Alexandria |
| Valleyfield | Cecile Quebec | Coteau Quebec | 10 miles | 0 | OCS | Valleyfield |
| Beachburg | Ottawa Ontario | Pembroke Ontario | 290.25 miles | 03 | CTC and OCS | Beachburg |