InterCity services from Dublin operate from two main stations:
- Dublin Heuston - Heuston Station is the terminus for services to the south and west of Ireland. Services from Heuston operate to Cork, Galway, Waterford, Tralee and Limerick.
- Dublin Connolly - Connolly Station is the terminus for services to the east and north-west of Ireland. Services from Connolly operate to Sligo and Rosslare Europort. Dublin Connolly is also the terminus of the Dublin to Belfast main line, with services to Belfast Central provided by Enterprise.
Although Dublin is the hub of InterCity services with all "radial routes" terminating there, there are other services which may be considered as InterCity including;