ðə ɹˈaʊt sˈɜːvz æz ɐ bˈaɪpæs ʌv sˈɪntən tə ðə nˈɔːɹθiːst, kənˈɛktɪŋ tə jˈuː.ˈɛs. ɹˈaʊt wˈʌnhˈʌndɹɪd ˈeɪɾi wˈʌn jˌuːˈɛs wˈʌnhˈʌndɹɪd ˈeɪɾi wˈʌn æt bˈoʊθ ˈɛndz.
The route serves as a bypass of Sinton to the northeast, connecting to U.S. Route 181 (US 181) at both ends.