The CP Melfort subdivision runs from Lanigan, SK to past Watson, SK.
| Mile | Station | Siding |
|---|---|---|
| 0.0 | LANIGAN Junction with CP Sutherland Subdivision | Yard |
| 16.5 | LEROY | – |
| 29.0 | Crossing of CN Margo Subdivision | – |
| 29.2 | WATSON | – |
| 43.98 | End of CP Track | – |
The subdivision operates under the Occupancy Control System (OCS).