The Dublin and Kingstown Railway (D&KR), which opened in 1834, was Ireland’s first passenger railway. It linked Westland Row in Dublin with Kingstown Harbour (Dún Laoghaire) in County Dublin. The D&KR was also notable for a number of other achievements besides being Ireland's first passenger railway: it operated an atmospheric railway for ten years; claimed the first use of a passenger tank engine; was the world's first commuter railway and was the first railway company to build its own locomotives.