| Date |
Event |
| 1912-01-09 |
C.N.O.Ry. authorized to open Sydenham to Harrowsmith BRC Order. 15769. |
| 1914-10-19 |
Appears as Rideau Subdivision, Ottawa to TrentonCNOR.OD.35. |
| 1919-06-01/1922-10-08 |
Appears as Ottawa Division/Rideau Subdivision, Rideau Jct. to TrentonCNR.EL.OD.NOSTD.1/CNR.EL.OD.NOSD.15. |
| 1923-05-13/1923-06-24 |
Appears as Ottawa Division/Smith's Falls Subdivision, Trenton to Rideau Jct.CNR.EL.OD.01/02. |
| 1923-09-30 |
Appears as Brighton to Napanee becomes Ottawa Division/Deseronto SubdivisionCNR.EL.OD.03. |
| 1923-09-30/1926-01-03 |
Appears as Ottawa Division/Smith's Falls Subdivision, Napanee to Rideau Jct.CNR.CR.NOD.03/15. |
| 1926-05-02/1926-06-27 |
Appears as Ottawa Division/Smith's Falls Subdivision, Napanee to FederalCNR.CR.NOD.16/17. |
| 1926-09-26/1942-06-28 |
Appears as Belleville Division/Smith's Falls Subdivision, Napanee to FederalCNR.CR.NOD.01/54. |
| 1943-09-26/1959-10-25 |
Appears as Belleville Division/Smiths Falls Subdivision, Napanee to FederalCNR.CR.NOD.58/05. |
| 1960-04-24/1961-01-01 |
Appears as Belleville Division/Smiths Falls Subdivision, Napanee to Mileage 1.9CNR.CR.SOD.06/07; CNR.SLR.BD.08. |
| 1984-03-02 |
CNR authorized to abandon Sydenham to Smiths FallsRTC Order No. R-36326. |
| 1991-02-05 |
CNR abandons Sydenham to Smiths FallsCTA Decision No. 53-R-1991. |