Córas Iompair Éireann (CIE) is the state-owned public transport company in Ireland. Established in 1945, it operates various transport services, including buses, trains, and ferries. CIE aims to provide efficient and reliable transportation options for both urban and rural areas across the country. The company oversees several subsidiaries, such as Bus Éireann and Iarnród Éireann, which manage bus and rail services, respectively. CIE plays a crucial role in promoting sustainable transport and reducing traffic congestion, making it an essential part of Ireland's transport infrastructure.