Dalkey was the terminus for the first commercial application of the atmospheric system of propulsion of trains. Dalkey is served by the DART, which passes through a tunnel south of Dalkey, emerging on a cliff giving spectacular views over Killiney Bay.
Dalkey railway station was opened on 10 July 1854 and was closed for goods traffic on 30 March 1964. It was preceded by Dalkey Atmospheric Railway station which opened on 29 March 1844 and closed on 12 April1854




