Iarnród Éireann, or Irish Rail, is the operator of the national railway network of Ireland. Established on 2 February 1987, it is a subsidiary of Córas Iompair Éireann (CIÉ). It operates all internal InterCity, Commuter, DART and freight railway services in the Republic of Ireland, and, jointly with Northern Ireland Railways, the Enterprise service between Dublin and Belfast. In 2019, IÉ carried a record peak of 50 million passengers, up from 48 million in 2018.