On November 30, 1961, the route was shortened from Port Arthur to Winnie, with the western portions having been replaced by Interstate 10 (I-10).
ˌɔn noʊvˈɛmbɚ θˈɜːɾi, nˈaɪntiːnhˈʌndɹɪd sˈɪksti wˈʌn, ðə ɹˈaʊt wʌz ʃˈɔːɹʔn̩d fɹʌm pˈoːɹt ˈɑːɹθɚ tə wˈɪni, wɪððə wˈɛstɚn pˈoːɹʃənz hˌævɪŋ bˌɪn ɹᵻplˈeɪst baɪ ˌɪntɚstˈeɪt tˈɛn aɪ tˈɛn.