stˈeɪt ɹˈaʊt wˈʌnhˈʌndɹɪd twˈɛnti wˈʌn bɪɡˈæn æɾ ɐn ˌɪntɚsˈɛkʃən wɪð jˈuː.ˈɛs. ɹˈaʊt fˈɪfti ðɪ ˈɔːstɪn hˈaɪweɪ tə ðɪ ˈiːst ʌvðə kəmjˈuːnᵻɾi ʌv fˈɔːlən.
State Route 121 began at an intersection with U.S. Route 50 (the Austin Highway) to the east of the community of Fallon.