# Commission Regulation (EU) 2017/2400 of 12 December 2017 implementing Regulation (EC) No 595/2009 of the European Parliament and of the Council as regards the determination of the CO2 emissions and fuel consumption of heavy-duty vehicles and amending Directive 2007/46/EC of the European Parliament and of the Council and Commission Regulation (EU) No 582/2011 (Text with EEA relevance), Division 4.3.4: Speed range

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

The range of test speeds shall comprise from 50 rpm wheel speed to the maximum speed. The maximum test speed to be measured is defined by either the maximum axle input speed or the maximum wheel speed, whichever of the following conditions is reached first:
4.3.4.1 The maximum applicable axle input speed may be limited to design specification of the axle.
4.3.4.2 The maximum wheel speed is measured under consideration of the smallest applicable tire diameter at a vehicle speed of 90 km/h for trucks and 110 km/h for coaches. If the smallest applicable tire diameter is not defined, paragraph 4.3.4.1 shall apply.

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Source: https://www.legislation.gov.uk/eur/2017/2400/annex/VII/division/4/division/4.3/division/4.3.4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-2400/annex-VII/division-4/division-4.3/division-4.3.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.