ˌɔn mˈɑːɹtʃ tˈuː, nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi wˈʌn, ðə sˈɛkʃən bᵻtwˌiːn θɹˈiː ɹˈɪvɚz ænd tˈɪldən wʌz ɹᵻloʊkˈeɪɾᵻd ɚɹˈaʊnd ðə ðˈɛnpɹəpˈoʊzd tʃˈoʊk kˈænɪən ɹˈɛzɚvwˌɑːɹ, æz ðɪ ˈoʊld ɹˈaʊt wʊd biː ˈɪnəndˌeɪɾᵻd baɪ ðə tʃˈoʊk kˈænɪən ɹˈɛzɚvwˌɑːɹ.
On March 2, 1981, the section between Three Rivers and Tilden was relocated around the then-proposed Choke Canyon Reservoir, as the old route would be inundated by the Choke Canyon Reservoir.