The answer options
- To allow space in case the vehicle stops and rolls back
- To maintain a clear view of the road aheadCorrect
- To save acceleration space for yourself if you wish to overtake
- To give other drivers a safe space if they wish to overtake you
Why that is the answer
Large vehicles block your forward vision. Staying well back gives you a clearer view of the road ahead, allowing you to see oncoming traffic, road hazards, and potential overtaking opportunities safely. If you drive too close, your view is severely restricted, and the driver ahead will not be able to see you in their mirrors. Official guidance recommends dropping back to increase your safety margin and maintain full awareness of the road.
How this comes up in the real test
Questions from other types of vehicle appear throughout the 50-question multiple-choice section, and the wording changes between versions. Learn the rule rather than the sentence: the DVSA can ask the same point from the opposite direction, and a memorised answer falls over the moment the phrasing moves.
The pass mark is 43 out of 50, so seven wrong answers is your entire margin. If a whole category is shaky, run the topic practice below until you are getting every question right for the right reason, then go back to full mocks under the clock.
More other types of vehicle questions
- It is harder to overtake a large vehicle than a car. Why is this?
- There is a lot of wind. If you're following a motorbike rider who is passing a car with a high side, what should you do?
- What should be your biggest concern when a bus pulls up at a bus stop in front of you?
- What should you do if there is a bus pulled into a bus stop on the road ahead of you?
- What should you do if you see this lorry?
- What should you do in this situation?