# Commission Regulation (EU) No 1230/2012 of 12 December 2012 implementing Regulation (EC) No 661/2009 of the European Parliament and of the Council with regard to type-approval requirements for masses and dimensions of motor vehicles and their trailers and amending Directive 2007/46/EC of the European Parliament and of the Council (Text with EEA relevance), Division 3.1

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

Trailers and semi-trailers shall be so designed that, when coupled to a towing vehicle, the combination is capable of manoeuvring on either side of a complete trajectory of 360° made up of two concentric circles, the outer circle having a radius of 12,50 m and the inner circle having a radius of 5,30 m without any of the vehicle’s outermost points of the towing vehicle protruding beyond the outer circle or any of the outermost points of the trailer or semi-trailer intruding inside the inner circle. If the trailer or semi-trailer is equipped with aerodynamic devices or equipment referred to in points 1.4.1.1 or 1.4.1.2, the devices and equipment shall be in the in-use and deployed position.

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Source: https://www.legislation.gov.uk/eur/2012/1230/annex/I/part/D/division/3/division/3.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-1230/annex-I/part-D/division-3/division-3.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.