Rules of the Road

Tyres: Tread Depth Regulations

Tyres

Light Motor Vehicle

A light motor vehicle must be equipped with pneumatic tyres (tyres filled with air) that meet the following conditions: it must have a tread of at least 1 millimetre in depth.

1. Visible Tread Pattern

• The tyre surface must display, throughout its entire breadth (from one sidewall to the other) and around the full circumference of the tyre,

• a clearly visible tread pattern.

• This pattern provides the necessary grip to maintain traction on the road surface, especially in wet or slippery conditions.

2. Minimum Tread Depth

• The tread depth must be at least 1 millimetre across the whole tyre.

• A tread depth below this limit is unsafe as it reduces road grip and increases the risk of skidding or aquaplaning.

3. Purpose of the Regulation

• To ensure proper road holding, braking performance, and vehicle control.

• To reduce the risk of tyre failure, accidents, and loss of control, particularly in adverse weather conditions.

Motorcycle - Tyre Regulations

You may not ride a motorcycle on a public road if it does not meet the following tyre and engine-related requirements:

1. Motorcycles with an engine capacity exceeding 50 cc

• Display, throughout its entire breadth (from side to side) and around the full circumference,

• A clearly visible tread pattern,

• Riding a motorcycle with an engine larger than 50 cc that does not meet these tyre requirements is illegal.

2. Motorcycles with an engine capacity of 50 cc or less

• The tread on each tyre must have a visible tread pattern over at least 80% of the full width of the tyre at every position around the tread.

• If the tread pattern covers less than 80% of the tyre width, the motorcycle is not roadworthy and may not be used on a public road.

3. Prohibition on Retreaded Tyres

• No motorcycle, regardless of engine size, may be equipped with a retreaded tyre (a tyre that has had a new tread applied to an old casing).

• Retreaded tyres are more prone to failure and pose a serious safety hazard.

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