Division 2.3.4 X1 United Kingdom Original text. Later amendments are not shown. Shelters without an exit leading to escape routes to the open shall not be built. Annotations Editorial notes X1 Substituted by Corrigendum to Directive 2004/54/EC of the European Parliament and of the Council of 29 April 2004 on minimum safety requirements for tunnels in the trans-European road network (Official Journal of the European Union L 167 of 30 April 2004). ← Division 2.3.3 Division 2.3.4 Division 2.3.5 →