Changes to Directive 2004/49/EC of the european parliament and of the council of 29 April 2004 on safety on the Community's railways and amending Council Directive 95/18/EC on the licensing of railway undertakings and Directive 2001/14/EC on the allocation of railway infrastructure capacity and the levying of charges for the use of railway infrastructure and safety certification (Railway Safety Directive)
EU Directive 2004/49
The legislation that changes Directive 2004/49/EC of the european parliament and of the council of 29 April 2004 on safety on the Community's railways and amending Council Directive 95/18/EC on the licensing of railway undertakings and Directive 2001/14/EC on the allocation of railway infrastructure capacity and the levying of charges for the use of railway infrastructure and safety certification (Railway Safety Directive), newest first. Choose one to see each change.
From legislation.gov.uk's record of changes, the official one: see it there.