ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti fˈoːɹ, əfˈɪʃəlz ɪn jˈuːtɔ ɪnˈɪʃɪˌeɪɾᵻd mˈiːɾɪŋz wɪð əfˈɪʃəlz ɪn nᵻvˈædə ænd kˌælɪfˈoːɹniə tə tɹˈʌŋkeɪt ðə ɹˈaʊt ʌv jˈuː.ˈɛs. ɹˈaʊt nˈaɪnti wˈʌn.
In 1974, officials in Utah initiated meetings with officials in Nevada and California to truncate the route of U.S. Route 91.