ðə fˈɔːɹmɚ ɹˈaʊɾɪŋ ʌv ˌɛnwˈaɪ sˈɛvəntˌiːn ˈeɪtʃ wˈɛst ʌv lˈɪɾəl vˈæli bɪkˌeɪm ɐn ɛkstˈɛnʃən ʌv ˌɛnwˈaɪ tˈuːhˈʌndɹɪd fˈoːɹɾi tˈuː wˌaɪl ðə ɹᵻmˈeɪndɚɹ ʌvðə ɹˈaʊt ɹᵻmˈeɪnd pˈɑːɹt ʌv ˌɛnwˈaɪ ˈeɪtiːn.
The former routing of NY 17H west of Little Valley became an extension of NY 242 while the remainder of the route remained part of NY 18.