CSN EN 17397-1 This document specifies the defect management system the infrastructure manager uses to control the risk of severe accidents due to degradation of internal or surface defects on rails complying with EN 13674-1, EN 13674-2, EN 13674-4 and EN 15689:2009 (excluding grooved rails EN 14811 - which need alternative systems). Original English text of CSN EN Standard. The price of the Standard included all amendments and correcturs.
