The Road Vehicles (Authorisation of Special Types) (General) Order 2003

Restrictions relating to weight: Category 1 AILVs and AILV-combinations

28.—(1) The total weight of any Category 1 AILV carrying a load must not exceed the maximum authorised weight for a vehicle of that description determined in accordance with Schedule 1 to the Authorised Weight Regulations.

(2) The total weight of such of the vehicles comprised in a Category 1 AILV-combination as are carrying a load must not exceed 46,000 kilograms.

(3) But the weight restrictions imposed by sub-paragraphs (1) and (2) may be exceeded by a Category 1 AILV-combination if—

(a) the combination has at least 6 axles;

(b) the total weight of the vehicle or vehicles carrying the load does not exceed 50,000 kilograms; and

(c) the combination complies in all other respects with the Authorised Weight Regulations, as those Regulations apply to a vehicle or vehicle-combination of 44,000 kilograms.

(4) Where a Category 1 AILV or AILV-combination is one to which the Authorised Weight Regulations do not apply, references to provisions of those Regulations are to be taken as references to the equivalent provisions of the Construction and Use Regulations.

29.—(1) The total weight of—

(a) any Category 1 AILV carrying a load; or

(b) such of the vehicles comprised in a Category 1 AILV-combination as are carrying a load;

must be transmitted to the road through 5 or more axles.

(2) In relation to any Category 1 AILV or AILV-combination (including one falling within paragraph 28(3)), the axle weight for an axle of any description must not exceed the maximum authorised weight for an axle of that description determined in accordance with Schedule 3 to the Authorised Weight Regulations.

(3) Where a Category 1 AILV or AILV-combination is one to which the Authorised Weight Regulations do not apply, the reference to Schedule 3 of those Regulations is to be taken as a reference to the equivalent provisions of the Construction and Use Regulations.