Some subdivisions extend through more than one region and division. Only the portion of the subdivision in this division is shown.
| Subdivision | From | To | Length | Spurs | Authority | Time Table |
|---|---|---|---|---|---|---|
| Kingston | Coteau-Quest, Ontario | Clarke, Ontario | 247.2 miles | 25 | CTC | Kingston |
| Smith Falls | Smith Falls, Ontario | Napanee West, Ontario | 70.1 miles | 0 | TT&TO | Smiths Falls |
| Marmora | Picton, Ontario | Maynooth, Ontario | 132.2 miles | 0 | TT&TO | Marmora |
| Campbellford | Belleville, Ontario | Lindsay, Ontario | 86.4 miles | 5 | TT&TO | Campbellford |