ðə ɹˈaʊt wʌz ɛkstˈɛndᵻd ɐ fˈaɪnəl tˈaɪm ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti fˈoːɹ wɛn jˌuːˈɛs sˈɛvənti fˈaɪv wʌz ɐɡˈɛn ɹᵻɹˈaʊɾᵻd ɚɹˈaʊnd dˈɛnɪsən, ðɪs tˈaɪm æz ɐ lˈɪmɪɾᵻd ˈæksɛs hˈaɪweɪ tə ðə wˈɛst ʌv tˈaʊn ˌɔn mˈɑːɹtʃ twˈɛnti nˈaɪn, nˈaɪntiːnhˈʌndɹɪd fˈɪfti sˈɛvən.
The route was extended a final time in 1994 when US 75 was again rerouted around Denison, this time as a limited access highway to the west of town on March 29, 1957.