The CP Montana subdivision runs from the Canada-USA border at Coutts to Montana, AB and a junction with the CP Taber subdivision. This line was originally built as the narrow gauge Alberta Railway & Coal Company. As the Alberta Railway & Irrigation Company, it was taken over by CP on April 1, 1912.
| Mile | Station | Siding |
|---|---|---|
| 0.0 | International Boundary Connection to BNSF Sweetgrass subdivision. | Yard |
| 0.2 | COUTTS | Yard |
| 2.3 | BRUNTON | – |
| 12.9 | MILK RIVER | – |
| 21.8 | Hotbox Detector | – |
| 24.2 | WARNER | – |
| 30.8 | MCNAB | – |
| 42.5 | CRADDOCK | – |
| 47.2 | STIRLING Junction with CP Cardston spur (west 7.8 miles) Junction with CP Stirling spur (east 50.2 miles) | – |
| 50.5 | Hotbox Detector | – |
| 55.3 | WILSON | – |
| 64.8 | MONTANA Junction with CP Taber subdivision | – |
The subdivision operates under the Occupancy Control System (OCS) between Brunton and Montana. The first 2.1 miles between the international border and Brunton is not main track.