ˈɔːl ʌv mˈɑːdɚn ˌɛnwˈaɪ fˈoːɹhˈʌndɹɪd fˈoːɹɾi sˈɪks wʌz ɚɹˈɪdʒɪnəli dˈɛzɪɡnˌeɪɾᵻd æz pˈɑːɹt ʌv ɹˈaʊt fˈoːɹ, ɐ kɹˈɔsstˈeɪt ʌnsˈaɪnd lˈɛdʒɪslətˌɪv ɹˈaʊt dᵻfˈaɪnd baɪ ðə nˈuː jˈɔːɹk stˈeɪt lˈɛdʒɪslətʃɚɹ ɪn nˈaɪntiːnhˈʌndɹɪd ˈeɪt.
All of modern NY 446 was originally designated as part of Route 4, a cross-state unsigned legislative route defined by the New York State Legislature in 1908.