# 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, Division 1.3.1

Extent: E+W+S+N.I.

Where ‘ traffic volume ’ is mentioned in this Annex, it refers to the annual average daily traffic through a tunnel per lane. For the purpose of determining the traffic volume, each motor vehicle shall be counted as one unit.

---
Source: https://www.legislation.gov.uk/eudr/2004/54/annex/I/division/1.3.1 (the official version)
Page: https://openlegislation.uk/eu-directive-2004-54/annex-I/division-1.3.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.