Guidance

Technical requirements for the trial of longer semi-trailers

Technical requirements that will apply to the trial of longer semi-trailers, including the allowed length of the vehicle, weight regulations and axle information.

Documents

Technical requirements

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Guidance on Longer Semi Trailers (LST) combination weights, axle weights and spacing

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Details

The technical guidance on this page sets out the technical requirements established for the trial of longer semi-trailers.

Where the technical guidance on this page relates to the provisions of regulations having legal force, it represents only an opinion as neither the department nor the Vehicle Certification Agency may interpret the law. Users of this guidance may wish to seek their own independent legal advice.

Published 21 December 2011