ðɪs ɹˈaʊt wʌz dˈɛzɪɡnˌeɪɾᵻd ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti fˈoːɹ, ðə nˈɔːɹðɚn sˈɛɡmənt ɹᵻplˈeɪsɪŋ stˈeɪt hˈaɪweɪ sˈɛvənti fˈaɪv ˈeɪ dˈɛzɪɡnˌeɪɾᵻd ɪn nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi sˈɪks æz ɐn ɔːltˈɜːnət ɹˈaʊt tə jˌuːˈɛs sˈɛvənti fˈaɪv ˈæftɚ dˈɛnɪsən dˈæm wʌz kəmplˈiːɾᵻd ðə pɹˈiːviəs jˈɪɹ ænd ðə sˈʌðɚn sˈɛɡmənt dˈɛzɪɡnˌeɪɾɪŋ ðɪ ˈoʊld ɹˈaʊt ʌv jˈuː.ˈɛs. hˈaɪweɪ sˈɛvənti fˈaɪv wˌɪtʃ wʌz ɹᵻɹˈaʊɾᵻd ænd ʌpɡɹˈeɪdᵻd tə fɹˈiːweɪ stˈæɾəs.
This route was designated in 1994, the northern segment replacing State Highway 75A) (designated in 1946 as an alternate route to US 75 after Denison Dam was completed the previous year) and the southern segment designating the old route of U.S. Highway 75 which was rerouted and upgraded to freeway status.