The Railway Accident Investigation Unit (RAIU) investigates accidents and incidents on Irish railways. It is an independent investigative agency of the Government of Ireland, housed within the Department of Transport.[1] The RAIU's head office is in Dublin.
The RAIU's investigations are carried out in accordance with the Railway Safety Act 2005, the Railway Safety Directive 2004/49/EC and Statutory Instrument No. 258 of 2014 European Union (Railway Safety) (Reporting and investigation of serious accidents, accidents and incidents) Regulations 2014.[2]