- http://www.irishrail.ie Main Iarnród Éireann site for time-tabling, passenger information
- http://www.iarnrodeireann.ie Corporate Iarnród Éireann site
- http://www.cie.ie CIE group website
- http://www.translink.co.uk Translink operate both rail and bus services in Northern Ireland and operate the Dublin Belfast Enterprise service in partnership with Iarnród Éireann
- http://bussched.sourceforge.net/trainsched.html TrainSched application for displaying train timetables, available for Palm, Pocket PC and Windows
- http://www.transport.ie The Department of Transport, the overall body in charge
- http://www.rpa.ie The Rail Procurement Agency the body charged with all light rail projects
- http://www.luas.ie Passenger website for Luas services
- http://www.dto.ie Dublin Transportation Office, a transport planning body for Dublin
- http://www.dto.ie/web2006/jp.htm Walking and Cycling Journey planner for Dublin
- http://www.2030vision.ie The 2030 Vision for Dublin consultation site
- http://www.transport21.ie The Goverment Transport 21 site, sadly lacking in real content currenlty
- http://www.rsc.ie The Rail Safety Commission are the body in charge of all aspects of rail safety including accident investigation
- http://www.epf-eu.be/ European Passengers' Federation of which Rail Users Ireland are members.