# Motor Vehicles (Authorised Weight) Regulations (Northern Ireland) 1999, Paragraph 2: Weight by reference to axle spacing

Extent: N.I.
Status: prospective

For a vehicle of a description specified in column (2) of an item in Table II and having the number of axles specified in column (3) of that item, the authorised weight in kilograms shall be the number equal to the product of the distance measured in metres between the foremost and rearmost axles of the vehicle multiplied by the factor specified in column (4) and rounded up to the nearest 10 kg, if that number is less than the maximum authorised weight determined in accordance with paragraph 1.
TABLE II
(1)
(2)
(3)
(4)
Item
Description of vehicle
Number of axles
Factor to determine maximum weight
1.
Rigid motor vehicle
2
6000
2.
Tractor unit
2
6000
3.
Trailer which is not a semi-trailer or a centre-axle trailer
2
6000
4.
Rigid motor vehicle
3
5500
5.
Tractor unit
3 or more
6000
6.
Trailer which is not a semi-trailer or a centre-axle trailer
3 or more
5000
7.
Rigid motor vehicle
4 or more
5000
8.
Articulated bus
Any number
5000

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Source: https://www.legislation.gov.uk/nisr/1999/258/schedule/1/paragraph/2 (the official version)
Page: https://openlegislation.uk/motor-vehicles-authorised-weight-regulations-northern-ireland-1999/schedule-1/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.