The CP Expanse subdivision runs from Assiniboia, SK to Moose Jaw, SK.
| Mile | Station | Siding |
|---|---|---|
| 64.6 | Connection to Assiniboia West Spur (Red Coat Road and Rail, and Great Western Railway) | – |
| 63.0 | ASSINIBOIA | Yard |
| 56.0 | CONGRESS | – |
| 44.3 | MOSSBANK JUNCTION Junction with CP Gravelbourg Subdivision | – |
| 41.5 | MOSSBANK | – |
| 34.3 | Hotbox Detector | – |
| 20.8 | CRESTWYND | – |
| 7.8 | ARCHIVE | – |
| 0.0 | CURLE (Moose Jaw) Junction with CP Swift Current Subdivision | – |
The subdivision operates under the Occupancy Control System (OCS) between mile 3.0 and Assiniboia. Movements north of mile 3.0 are governed by the Moose Jaw Terminal rules. The maximum speed over the subdivision is 30 MPH.