European Railway Agency
MINTCLiikenne- ja viestintäministeriö
Liikenteen turvallisuusvirasto TrafiRautatiealaa valvova viranomainen
TrafikstyrelsenDanish Transport Authority
TransportstyrelsenSwedish Transport Authority
Statens jernbanetilsynThe Norwegian Railway Authority
OnnettomuustutkintakeskusOnnettomuustutkintakeskus tutkii
Rail Accident Investigation BranchThe Rail Accident Investigation Branch (RAIB) is the independent railway accident investigation organisation for the UK.
Office of Rail RegulationThe Office of Rail Regulation is the independent safety and economic regulator for Britain's railways.