Division 2.1 X1 United Kingdom Original text. Later amendments are not shown. Number of tubes and lanes 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 Division 2.1 Division 2.1.1 →