R2012-02 Derailment of turnout transport wagons in the Riihimäki railway yard, Finland on 22 May 2012 and Kouvola railway yard, Finland on 28 June 2012 29.05.2012 Date of Accident 22.05.2012 Date of Publication 29.05.2012 Investigation Branch Railroad (R) Investigation ID R2012-02 Type of Accident Accident Tutkinnan tila Completed