| Sub | From | To | Length | Control | Timetable |
|---|---|---|---|---|---|
| Newmarket | Parkdale, Ontario | Dykstra, Ontario | 227.5 miles | CTC and OCS | Newmarket |
| Bala | Toronto, Ontario | Capreol, Ontario | 276.1 miles | CTC | Bala |
| Ruel | Capreol, Ontario | Hornepayne, Ontario | 296.2 miles | CTC | Ruel |
| Caramat | Hornepayne, Ontario | Armstrong, Ontario | 243.8 miles | CTC | Caramat |
| Kinghorn | Longlac, Ontario | Jellicoe, Ontario | 49.7 miles | OCS | |
| Soo | Sault Ste. Marie, Ontario | Hearst, Ontario | 295.7 miles | OCS | Soo |