Not only do you need to know your stopping distances for passing your theory test – you need to really understand the for safe driving too!

Your stopping distance is how far your vehicle will travel once you’ve pressed your brake before it comes to a complete stop. And the distance depends on how fast you were traveling in the first place!

So try this clever little quiz, put together by road safety charity Brake, and see how much you really know about how speed effects your ability to stop in time.