ˌɛnwˈaɪ tˈuːhˈʌndɹɪd fˈoːɹɾi θɹˈiː hˈæzbiːn ˈɔltɚd sˈɪns ɪt wʌz ɐsˈaɪnd æz pˈɑːɹt ʌvðə nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi ɹᵻnˈʌmbɚɹɪŋ ʌv stˈeɪt hˈaɪweɪz ɪn nˈuː jˈɔːɹk, spəsˈɪfɪkli ɐ tɹʌŋkˈeɪʃən fɹʌm fˈɑːɹmɚzvˌɪl tʊ ˌɛnwˈaɪ nˈaɪnti ˈeɪt ɪn fɹˈiːdəm.
NY 243 has been altered since it was assigned as part of the 1930 renumbering of state highways in New York, specifically a truncation from Farmersville to NY 98 in Freedom.