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Rail Accident Investigation Branch

The Rail Accident Investigation Branch independently investigates accidents to improve railway safety, and inform the industry and the public.

It is responsible for:

  • the identification and dissemination of safety learning;
  • making recommendations to prevent reoccurrence, or to mitigate the consequences of accidents; and
  • co-operating with other investigation organisations nationally and internationally to share and encourage good practice.

The RAIB is based in operational centres in Derby and Farnborough. Inspectors at both locations are on-call 24 hours a day to deploy to the site of railway accidents and incidents.

The RAIB publishes the results of its investigations as a report or safety digest. Reports include recommendations for the improvement of railway safety.