National reference value (NRV)
National reference value (NRV)
A reference measure indicating, for the Member State concerned, the maximum tolerable level for a railway risk category.
2009/460/EC: Commission Decision of 5 June 2009 on the adoption of a common safety method for assessment of achievement of safety targets, as referred to in Article 6 of Directive 2004/49/EC of the European Parliament and of the Council (notified under document number C(2009) 4246)