| By-law | Gazettal | Commencement | Miscellaneous |
| Government Railways By-laws ¾ By-law 93 | 17 August 1951 p.2285 | 17 August 1951 |  |
| 22 June 1979 pp.1750-1 | | |
| Railways By-laws Amendment By-laws 1994 | 30 December 1994 pp.7332 and 7335 | 1 January 1995 | |
| Government Railways Amendment By-laws 1997 | 9 May 1997 p.2313 | 9 May 1997 | |