Division Lane signalsX1 United Kingdom Original text. Later amendments are not shown. These signs can be circular or rectangular 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 Division