ˌɛsˈeɪtʃ sˈɛvənti fˈaɪv ˈeɪ ɛkstˈɛndᵻd sˈaʊθ fɹʌm ˌɛfˈɛm ˈeɪɾi fˈoːɹ fˈɔːɹmɚɹ ˌɛsˈeɪtʃ nˈaɪnti wˈʌn tə ðə nˈuː loʊkˈeɪʃən ʌv jˌuːˈɛs sˈɛvənti fˈaɪv ðə ɹˈaʊt ɚɹˈɪdʒɪnəli ˈɛndᵻd ɔnðə nɔːɹθwˈɛst sˈaɪd ʌv dˈɛnɪsən kənˈɛktɪŋ wɪððɪ ɚɹˈɪdʒɪnəl ɹˈaʊt ʌv jˌuːˈɛs sˈɛvənti fˈaɪv, bˌʌt wʌz ɛkstˈɛndᵻd sˈaʊθwɚd θɹuː ðə ɹˌɛzᵻdˈɛnʃəl sˈɛkʃənz ʌv tˈaʊn tə ðə nˈuː ˌɪntɚsˈɛkʃən wɪð jˌuːˈɛs sˈɛvənti fˈaɪv wɛn ɪt wʌz ɹᵻɹˈaʊɾᵻd ɐlˈɔŋ ðɪ ˈiːstɚn sˈaɪd ʌv tˈaʊn.
SH 75A extended south from FM 84 (former SH 91) to the new location of US 75 The route originally ended on the northwest side of Denison connecting with the original route of US 75, but was extended southward through the residential sections of town to the new intersection with US 75 when it was rerouted along the eastern side of town.