"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, 1924-1950". Government Gazette of the State of New South Wales. No. 16. National Library of Australia. 2 February 1951. p. 290. Archived from the original on 4 May 2023. Retrieved 4 May 2023.
"State Roads Act". Government Gazette of the State of New South Wales. No. 7. National Library of Australia. 22 January 1993. pp. 223–30. Archived from the original on 4 May 2023. Retrieved 4 May 2023.
"Road tolling in New South Wales"(PDF). New South Wales Parliament. Portfolio Committee No.2 – Health and Community Services. October 2017. Retrieved 30 October 2020.
"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, 1924-1950". Government Gazette of the State of New South Wales. No. 16. National Library of Australia. 2 February 1951. p. 290. Archived from the original on 4 May 2023. Retrieved 4 May 2023.
"State Roads Act". Government Gazette of the State of New South Wales. No. 7. National Library of Australia. 22 January 1993. pp. 223–30. Archived from the original on 4 May 2023. Retrieved 4 May 2023.