Córas Iompair Éireann (Irish pronunciation: [ˈkoːɾˠəsˠ ˈʊmˠpˠəɾʲ ˈeːrʲən̪ˠ], Irish Transport System), or CIÉ, is a statutory corporation of the Republic of Ireland, answerable to the Irish Government and responsible for most public transport in the Republic of Ireland and – jointly with its Northern Ireland counterpart, the Northern Ireland Transport Holding Company – the railway service between the Republic and Northern Ireland.The company is headquartered at Heuston Station, Dublin.