Dublin and Kingstown Railway Extension

On June 15, 1845, the Dublin and Kingstown Railway completed its atmospheric-powered extension to Dalkey, marking a significant engineering achievement in early Irish railroading. This 1.75-mile section utilized the innovative atmospheric propulsion system, where trains were pushed by air pressure in a tube, avoiding the need for onboard locomotives on the steep gradient. Key figures included engineer Sir John Macneill and promoter James Pim. The line connected Dublin's growing port with suburban areas, boosting passenger traffic and trade. It demonstrated the viability of atmospheric railways, influencing later experiments in Britain and France, though the system was later abandoned due to maintenance issues. This development helped lay the groundwork for Ireland's expanding network amid the Great Famine era.