Theory Hub UK Theory Test

Well ahead of you are traffic lights on green. What should you do in case the lights change to red?

Why this is the answer

If you're approaching a set of traffic lights and you can see they've been on green for a while, be prepared for them to change. Ease off the accelerator and be ready to come to a gradual stop if you need to. Do not try to beat the red light; it may change as you come closer, causing you to brake late and harshly. Think of your passengers.

Why the other answers don't fit

A
Accelerate to make sure you can cross before they change — Hurrying to beat the lights is how you end up stopping hard when they change.
C
Accelerate, but warn your passengers you may have to stop — Warning passengers does not stop them falling; slowing down does.
D
Carry on at a constant speed, but be ready to sound your horn — A constant speed leaves you with the same sudden stop, and the horn helps nobody.

Where this comes from

  • Driving Buses and Coaches — section 6

Rule numbers link to The Highway Code on gov.uk.

Where this question comes from

The question, its options and the explanation are reproduced word for word from the DVSA revision question bank under licence. The licence requires them to appear unaltered, so we cannot reword them and neither can anyone else — that is why you will meet the same wording on other sites. Everything else on this page is written by Theory Hub: the explanation of why each wrong answer is wrong, the topic guide and the revision notes.

More about our sources and licence

Asked in: Lorry & Bus (LGV/PCV)

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