Most of the transport system in Ireland is in public hands, either side of the Irish border. The Irish road network has evolved separately in the two jurisdictions into which Ireland is divided, while the Irish rail network was mostly created prior to the partition of Ireland.

Stobart Air was an Irish regional airline based in Dublin, originating in 1970 and closing in 2021. It operated scheduled services under the brands Aer Lingus Regional, BA CityFlyer and KLM Cityhopper on behalf of their respective owners. Stobart Air had operating bases in Cork, Dublin and Belfast for Aer Lingus Regional.