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"Main Roads Act, 1924-1927". Government Gazette of the State of New South Wales. No. 110. National Library of Australia. 17 August 1928. pp. 3814–20. Archived from the original on 3 August 2022. Retrieved 1 August 2022.
"Main Roads Act, 1924-1965". Government Gazette of the State of New South Wales. No. 25. National Library of Australia. 17 March 1967. pp. 895–913. Archived from the original on 26 October 2022. Retrieved 26 October 2022.
"State Roads Act". Government Gazette of the State of New South Wales. No. 7. National Library of Australia. 22 January 1993. pp. 223–230. Archived from the original on 22 December 2022. Retrieved 22 December 2022.