pˈæɹələlɪŋ dˈɑːdʒ kɹˈiːk tə ðə nˈɔːɹθiːst, ˌɛnwˈaɪ θɹˈiːhˈʌndɹɪd fˈaɪv kɹˈɔsᵻz ðə kˈaʊnti lˈaɪn fɹʌmðə tˈaʊn ʌv pˈoːɹtvɪl ˌɪntʊ ðɪ ˈælɪɡəni kˈaʊnti tˈaʊn ʌv dʒˈɛnɪsˌiː, tʃˈeɪndʒɪŋ nˈeɪmz tʊ ˈoʊbaɪ ɹˈoʊd.
Paralleling Dodge Creek to the northeast, NY 305 crosses the county line from the town of Portville into the Allegany County town of Genesee, changing names to Obi Road.