ðə pˈæsɪŋ ʌvðə mˈeɪn ɹˈoʊdz ˈækt ʌv nˈaɪntiːnhˈʌndɹɪd twˈɛnti fˈoːɹ θɹuː ðə pˈɑːɹləmənt ʌv nˈuː sˈaʊθ wˈeɪlz pɹəvˈaɪdᵻd fɚðə dˌɛklɚɹˈeɪʃən ʌv mˈeɪn ɹˈoʊdz, ɹˈoʊdz pˈɑːɹʃəli fˈʌndᵻd baɪ ðə stˈeɪt ɡˈʌvɚnmənt θɹuː ðə mˈeɪn ɹˈoʊdz bˈoːɹd lˈeɪɾɚ ðə dᵻpˈɑːɹtmənt ʌv mˈeɪn ɹˈoʊdz, ænd ᵻvˈɛntʃuːəli tɹˈænspoːɹt fɔːɹ ˌɛnˌɛsdˈʌbəljˌuː.
The passing of the Main Roads Act of 1924 through the Parliament of New South Wales provided for the declaration of Main Roads, roads partially funded by the State government through the Main Roads Board (later the Department of Main Roads, and eventually Transport for NSW).