ˌoʊvɚ ðə jˈɪɹz ɪt bɪkˌeɪm dˈɪfɪkəlt tə ɹˈʌn bˈoʊθ ðə lˈoʊkəl tɹˈeɪnz tə klˈæmpənbˌoːɹɡ ænd ðə hˈɛlsɪŋɡɚ tɹˈeɪnz ɔnðə sˈeɪm tˈuː tɹˈæks, ænd ɐ dˈɛdᵻkˌeɪɾᵻd lˈoʊkəl dˈʌbəl tɹˈæk fɹʌm hˈɛlɚɹˌʌp tə klˈæmpənbˌoːɹɡ wʌz bˈɪlt ɪn nˈaɪntiːnhˈʌndɹɪd twˈɛnti ˈeɪt.
Over the years it became difficult to run both the local trains to Klampenborg and the Helsingør trains on the same two tracks, and a dedicated local double track from Hellerup to Klampenborg was built in 1928.