| Date | Event | Source | Notes |
|---|---|---|---|
| 1887-06-23 | Incorporated as Prescott County Railway Co. by Canada Act 50-51 V Chap 82 | CNRHist | |
| 1889-04-16 | Name changed to Central Counties Railway Co. by Canada Act 52 V Chap 80 | CNRHist | |
| 1891-12-31 | Indenture by Canada Atlantic Ry to lease the Hawkesbury section for 99 years. | CNRHist | |
| 1892-01-04 | Line opened from Hawkesbury to Glen Robertson, 21 miles | CNRHist | |
| 1895-08-29 | Indenture by Canada Atlantic Ry. to lease the Rockland section for 99 years. | CNRHist | |
| 1895-12-08 | Line opened from South Indian to Rockland, 16 miles. | CNRHist |