ðə pˈoːɹʃən ʌv mˈɑːdɚn ˌɛnwˈaɪ tˈuːhˈʌndɹɪd fˈoːɹɾi ˈeɪt ˈiːst ʌv wˈaɪtzvɪl wʌz ɚɹˈɪdʒɪnəli dˈɛzɪɡnˌeɪɾᵻd æz ɹˈaʊt fˈoːɹbˈiː, ɐn ʌnsˈaɪnd lˈɛdʒɪslətˌɪv ɹˈaʊt, baɪ ðə nˈuː jˈɔːɹk stˈeɪt lˈɛdʒɪslətʃɚɹ ɪn nˈaɪntiːnhˈʌndɹɪd twˈɛlv.
The portion of modern NY 248 east of Whitesville was originally designated as Route 4-b, an unsigned legislative route, by the New York State Legislature in 1912.