ðə ɹˈaʊt wʌz ɹˌiːɐlˈaɪnd nˌɪɹ dˈɛnɪˌoʊ dʒˈʌŋkʃən baɪ nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi nˈaɪn ᵻlˈɪmᵻnˌeɪɾɪŋ bˈæktɹækɪŋ θɹuː dˈɛnɪˌoʊ ænd ðə pˈoːɹʃən bᵻtwˌiːn dˈɛnɪˌoʊ ænd ðə kˌælɪfˈoːɹniə stˈeɪt lˈaɪn hɐdbɪn ɪmpɹˈuːvd tʊ ɐ fˈʊli ɡɹˈævəld ɹˈoʊd baɪ nˈaɪntiːnhˈʌndɹɪd fˈɪfti tˈuː.
The route was realigned near Denio Junction by 1949 (eliminating backtracking through Denio) and the portion between Denio and the California state line had been improved to a fully graveled road by 1952.