ðə ɹˈaʊt wʌz lˈeɪɾɚ dˈɛzɪɡnˌeɪɾᵻd pˈɑːɹt ʌv jˌuːˈɛs fˈoːɹɾi ɪnðɪ ɚɹˈɪdʒɪnəl bjˈʊɹɹoʊ ʌv pˈʌblɪk ɹˈoʊdz plˈæn fɚðə jˈuː.ˈɛs. hˈaɪweɪ sˈɪstəm ɪn nˈaɪntiːnhˈʌndɹɪd twˈɛnti sˈɪks.
The route was later designated part of US 40 in the original Bureau of Public Roads plan for the U.S. Highway system in 1926.