28.04.2017
In 1993-2005 data of railway infrastructure managers. In 2006 data of the Estonian Railway Inspectorate. Since 2007 data of the Estonian Technical Surveillance Authority.
28.04.2017
In 1993-2005 data of railway infrastructure managers. In 2006 data of the Estonian Railway Inspectorate. Since 2007 data of the Estonian Technical Surveillance Authority.