# Commission Delegated Regulation (EU) 2015/68 of 15 October 2014 supplementing Regulation (EU) No 167/2013 of the European Parliament and of the Council with regard to vehicle braking requirements for the approval of agricultural and forestry vehicles (Text with EEA relevance), Division 1: Definitions

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

For the purposes of this Annex:
1.1. ‘axle group’ means multiple axles where the axle spread between one axle and its adjacent axle is equal to or less than 2,0 m. Where the axle spread between one axle and its adjacent axle is greater than 2,0 m, each individual axle shall be considered as an independent axle group.
1.2. ‘ adhesion utilization curve ’ means the characteristic curve of the braking force ratio without rolling resistance and normal reaction of road surface on a given axle under braking plotted against the braking rate of the vehicle.

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Source: https://www.legislation.gov.uk/eur/2015/68/annex/II/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2015-68/annex-II/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.