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Regulation 24, 26, 27(1) (a) to (h) and 27 (4) (e) and (f), Road Vehicles (Construction and Use) Regulations 1986 deals with Tyres, their fitment, type and use. The regulations and their application are:

The following information is merely a brief overview of the requirements of the regulations.

Most goods vehicles must have pneumatic tyres. Works trucks, street cleansing and refuse disposal vehicles and tower wagons may have solid tyres. Trailers drawn by a motor car or heavy motor car must have pneumatic tyres, with certain exceptions. Tractors and locomotives must have pneumatic or solid tyres, except certain agricultural vehicles.

Re-Cut Tyres
ECE Regulations 108 and 109, which relates to the production of retreaded car and truck tyres respectively, came into effect on January 1st 2004 making it mandatory for retreaded tyres to be subjected to the same "type approval" tests as new tyres.
The legislation means that retreaded tyres that are not "e-marked" to show that their producer has gained official approval under ECE 108 and 109 are now illegal at the point of sale in the UK.

Tyre cross section showing minimum tread depths Re-cut pneumatic tyres must not be fitted to:

Electric vehicles are exempt.

Re-cut tyres are also prohibited on trailers;
  • of less than 1,020kg unladen weight (2,040kg for caravans);
  • trailers carrying plant and equipment that do not exceed 2,290kg total weight.

Works trailers and certain other specialised trailers are exempt.

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A temporary use spare tyre is a pneumatic tyre designed for use on a motor vehicle only in the event of tyre failure. It may be fitted to:

Current Requirements Tyres fitted to a Trailer
A goods vehicle, bus or trailer must be equipped with tyres designed and maintained adequately to support the maximum axle weight for each axle at specified speeds. Resilience requirements for solid tyres have now been revoked.

It is illegal to use a tyre that:

Requirements 2-9 do not apply to:

Requirements 2 and 8 do not apply to a pedestrian controlled works truck.

It is illegal to have a mixture of cross-ply and radial tyres on the same axle except where one is a temporary use spare tyre. It is also illegal to fit cross-ply tyres on the rear wheel of a two-axled vehicle with single wheels, if radial tyres are fitted to the front wheels.

On other power driven vehicles all steerable axles must be fitted with tyres of the same structure. as must all driven axles that are not steerable. An axle includes two stub axles that form a pair and an articulated vehicle is treated as two separate vehicles.

A recut tyre cannot be used if its ply or cord has been cut or exposed by the recutting process or, if it has been wholly or partially recut, in a pattern other than the manufacturer; recut tread pattern.

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