What shape is a ‘stop’ sign at a junction?

To make it easy to recognise, the ‘stop’ sign is the only sign of this shape. You must stop and take effective observation before proceeding.

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Where would you find these road markings?

Which of these signs means the end of a dual carriageway?

You see this amber traffic light ahead. Which light, or lights, will come on next?

You’re in the left-hand lane at traffic lights, waiting to turn left. At which of these traffic lights mustn’t you move on?

What does this sign mean?

What’s the reason for the yellow crisscross lines painted on the road here?