ðə dˈælki ˌætməsfˈɛɹɪk ɹˈeɪlweɪ ʌnəfˈɪʃəl ˈoʊpənɪŋ nˈaɪntiːn ˈɔːɡəst wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈoːɹɾi θɹˈiː, əfˈɪʃəl ˈoʊpənɪŋ twˈɛnti nˈaɪn mˈɑːɹtʃ wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈoːɹɾi fˈoːɹ twˈɛlv ˈeɪpɹəl wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈɪfti fˈoːɹ wʌz ɐn ɛkstˈɛnʃən ʌvðə dˈʌblɪn ænd kˈɪŋztaʊn ɹˈeɪlweɪ dˈiː ænd kˌeɪˈɑːɹ tʊ ˌætməsfˈɛɹɪk ɹˈoʊd ɪn dˈælki, kˈaʊnti dˈʌblɪn, ˈaɪɚlənd.
The Dalkey Atmospheric Railway (unofficial opening 19 August 1843, official opening 29 March 1844 – 12 April 1854) was an extension of the Dublin and Kingstown Railway (D&KR) to Atmospheric Road in Dalkey, County Dublin, Ireland.