# The Road Vehicles (Authorisation of Special Types) (General) Order 2003, Article 59: Longer semi-trailers – length requirements


(1) The longitudinal distance from the axis of the kingpin to the rear of a longer semi-trailer must not exceed 14.05 metres.
(2) The distance parallel to the longitudinal axis of the longer semi-trailer from the foremost part of the loading area to the rear of the trailer must not exceed 15.65 metres.
(3) The overall length of an articulated vehicle which includes a longer semi-trailer must not exceed 18.55 metres.

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Source: https://www.legislation.gov.uk/uksi/2003/1998/article/59 (the official version)
Page: https://openlegislation.uk/road-vehicles-authorisation-of-special-types-general-order-2003/article-59
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.