Railway Procurement Agency
- Special State authority provides information on its development of Dublin’s LUAS tram system, plans for integrated ticketing and a heqavy rail metro, policies, procurement and career opportunities.
- http://www.rpa.ie/

Irish Railway Record Society
- Journal, articles, programme, history, news and membership details for this organisation of Irish rail enthusiasts.
- http://www.irrs.ie/

Iarnród Éireann (Irish Rail)
- The national provider of rail and related services in Ireland, including Intercity, DART (Dublin electric suburban) and other suburban services and the Rosslare Europort. Information covers planning a journey (including timetables), checking fares, corpo
- http://www.irishrail.ie/