What's the legal tyre tread depth

The legal minimum tyre tread depth varies by each type of vehicle. For safety reasons it is recommended that you replace your tyres before the legal limit is reached.

Many vehicle manufacturers recommend replacing at millimetres, as below this depth stopping distances start to dramatically increase. However, this is just the minimum.

Some believe that to be truly safe, you should aim for a minimum tread depth of 3mm. If your tyres are worn, not only will you lose grip on wet surfaces, your stopping distances will also increase. VISIBLE tread on the remainder.

This discounts any areas of the tread which were not as deep when. Not worth dying for millimetre or so. The tyre TREAD have to be 1. ENTIRE circumference of the tyre. If at "ANY" point within that area the tyre is below that it fails pure and simple, before you appeal.

What is the legal depth of a tyre? Remember: - Check your tread depth on all four tyres - Check the inner, centre and outer. UK law demands a minimum tread depth of 1mm across ¾ of the tread pattern with visible tread on the remaining ¼ for bikes over 50cc.

Under 50cc requires all the grooves of the original tread pattern be clearly visible – if any grooves have worn smooth, your tyre needs changing. UK tyre law: what is the legal tyre tread depth UK law stipulates that a car should have a minimum tread depth of 1. According to the law, the tyre tread depth must be at least 1. If the tread measurement is between 1. Tread Depth and Safety A new car tyre begins life with approximately 8mm of tread.

The minimum legal tread depth is 1. Driving with worn tyres is not only a serious safety risk, but a costly one too. In wet weather tyre tread grooves help to remove water from the contact patch between your tyres and the road surface meaning your car can brake, steer and accelerate properly. Tyre tread depth has to be above 1. This must be the case for the middle three quarters of the tyre.

There are three ways to check this: How to check tyre tread depth – the 20p test. While UK tyre law states that a wheel should have a minimum tread depth of 1. This is confirmed by RoSPA’s study, which found stopping distances increase by 44.

The law requires a minimum tread depth of 1. You can check the tyre’s tread depth with a tyre tread depth gauge, but for a. Car tyres must have sufficient depth of tread to give them a good grip on the road surface. This depth should be across the central three-quarters of the breadth of the tyre and around the entire circumference. Depending on their type, new tyres have a tread depth of between mm and 9. This ensures the best performance in changing conditions.

While the minimum legal tread depth for all passenger car tyres in Europe is 1. Effect of less tread depth Whilst the legal limit for cars is 1. Motor Industry Research Association (MIRA) found that once tyres are below mm, stopping distances increase dramatically. At the legal minimum tread depth of 1. New tyres are manufactured with around 8mm of tread depth, but this wears away over time, which compromises the car’s road handling, ability to cope in wet conditions, road grip and safety.

Legally, the minimum allowable depth of tread is 1. But this is just the minimum! Some road safety experts believe that you’ll only be truly safe if you have a minimum tyre tread depth of 3mm. Per code section 393.

It also states that measurements can’t be taken “where tie bars, humps, or fillets are located.