kˈoʊdʒ bˈʌɡtbˈeɪnən ɪz ðɪ ˈoʊnli wˈʌn ʌvðə sˈɪks ˈɛstɹˈeɪn ɹˈeɪdɪəlz ðæt wʌz ɚɹˈɪdʒɪnəli bˈɪlt æz ɐn ˈɛstɹˈeɪn lˈaɪn.
Køge Bugt-banen is the only one of the six S-train radials that was originally built as an S-train line.