The CP Bulyea subdivision runs from Cupar, SK to Bulyea, SK for almost 30 miles to where it joins the CP Lanigan subdivision.
| Mile | Station | Siding |
|---|---|---|
| 54.5 | Beginning of track | – |
| 58.0 | CUPAR | – |
| 63.7 | MARKINCH | – |
| 69.7 | SOUTHKEY | – |
| 79.0 | EARL GREY | – |
| 86.3 | BULYEA Junction with CP Lanigan subdivision | – |
The subdivision operates under the Occupancy Control System. The maximum speed limit on the subdivision is 25 MPH. Cars over 268,000 lbs. are limited to 10 MPH.