The CP Langdon subdivision ran between Langdon and East Coulee, Alberta.
The following is from the April 26, 1953 CP employee timetable.
| Mile | Station | Siding |
|---|---|---|
| 0.0 | LANGDON | – |
| 6.9 | INTERLAKE | 39 |
| 9.3 | – | – |
| 12.4 | DALROY | 39 |
| 18.5 | KEOMA | 39 |
| 26.2 | IRRICANA Junction with CP Irricana subdivision | 63 |
| 31.5 | BEISEKER | 39 |
| 39.8 | ACME | 39 |
| 41.7 | COSWAY Junction with CP Acme subdivision | – |
| 44.4 | BUOYANT | 40 |
| 52.5 | ENTICE | 40 |
| 58.0 | CARBON | 44 |
| 62.8 | SHARPLES | – |
| 67.2 | HESKETH | 40 |
| 70.1 | GATINE | – |
| 73.0 | DUNPHY | – |
| 74.8 | KIRKPATRICK | 39 |
| 76.9 | NACMINE | – |
| 78.7 | KNEEHILL Junction with CN Railway Joint track from here to East Coulee | – |
| 80.8 | DRUMHELLER | Yard |
| 85.6 | ROSEDALE Junction with CN Railway | – |
| 87.7 | ELADESOR | – |
| 89.4 | WILLOW CREEK | 55 |
| 92.4 | LEHIGH | – |
| 94.3 | EAST COULEE | 55 |
