# The Road Vehicles (Authorisation of Special Types) (General) Order 2003, Paragraph 30

Extent: E+W+S

(1) The total weight of—
(a) any Category 2 AILV carrying a load; or
(b) such of the vehicles comprised in a Category 2 AILV-combination as are carrying a load;
must not exceed 80,000 kilograms.
(2) Where the weight calculated in accordance with sub-paragraph (3), in relation to any Category 2 AILV or AILV-combination, is less than 80,000 kilograms, the total weight of the vehicle or vehicles described in sub-paragraph (1)(a) or (b) must not exceed that lesser weight.
(3) The weight calculated in accordance with this sub-paragraph is the number (expressed in kilograms) equal to the product of the following equation and then rounded up to the nearest 10 kilograms—
D×7,500
(4) In sub-paragraph (3), D is the distance (measured in metres) between—
(a) in the case of an AILV, the foremost axle and the rearmost axle of the AILV carrying the load;
(b) in the case of an AILV-combination that is an articulated vehicle, the kingpin and the rearmost axle on the semi-trailer; or
(c) in the case of any other description of AILV-combination, the foremost axle and the rearmost axle of the group comprising all those vehicles in the combination that are carrying a load.

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Source: https://www.legislation.gov.uk/uksi/2003/1998/schedule/1/paragraph/30 (the official version)
Page: https://openlegislation.uk/road-vehicles-authorisation-of-special-types-general-order-2003/schedule-1/paragraph-30
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.