In 2006 rumours came up that the single-tracked stretches of the line (between Niebüll and Klanxbüll and between Morsum and Westerland) were to be extended to double-track.
ɪn tˈuː θˈaʊzənd sˈɪks ɹˈuːmɚz kˈeɪm ˌʌp ðætðə sˈɪŋɡəltɹˈækt stɹˈɛtʃᵻz ʌvðə lˈaɪn bᵻtwˌiːn nˈiːbuːl ænd klˈæŋksbuːl ænd bᵻtwˌiːn mˈɔːɹsəm ænd wˈɛstɚlənd wɜː təbi ɛkstˈɛndᵻd tə dˈʌbəltɹˈæk.