ʌntˈɪl æt lˈiːst nˈaɪntiːnhˈʌndɹɪd nˈaɪnti sˈɛvən, ðə ɹˈaʊt fˈɑːloʊd fˈoːɹθ stɹˈiːt ˌɪntʊ kˈʌlmən, wˌɛɹ ɪɾ ɛŋɡˈeɪdʒd ɪn ɐ ʃˈɔːɹt kəŋkˈɜːɹənsi wɪð jˈuː.ˈɛs. ɹˈaʊt θˈɜːɾi wˈʌn bᵻfˌoːɹ ɹᵻdʒˈɔɪnɪŋ ðə mˈɑːdɚndˈeɪ ɹˈaʊt; ðɪs wʌz ɹᵻplˈeɪst wɪððə mˈɑːdɚndˈeɪ ɹˈaʊɾɪŋ ɐlˈɔŋ θˈɜːd stɹˈiːt.
Until at least 1997, the route followed 4th Street into Cullman, where it engaged in a short concurrency with U.S. Route 31 before rejoining the modern-day route; this was replaced with the modern-day routing along 3rd Street.