Historically an uninterrupted Autobahn, one final  section was added between Sembach and Kaiserslautern at the current site of the Dreieck Kaiserslautern/KL-Zentrum Ausfahrt.
hɪstˈɔːɹɪkli ɐn ˌʌnˌɪntɚɹˈʌptᵻd ˌɔːɾoʊbˈɑːn, wˈʌn fˈaɪnəl sˈɛkʃən wʌz ˈædᵻd bᵻtwˌiːn sˈɛmbɑːx ænd kˈaɪzɚslˌɔːtɚn æt ðə kˈɜːɹənt sˈaɪt ʌvðə dɹˈeɪɛk kˈaɪzɚslˌɔːtɚn slˈæʃ kˌeɪˈɛlzˈɛntɹəm ˈɔːsfɑːət.