Do you have to give way to the bus?

Explanation

Yes, you must give way to the bus.

The main light facing you is red, but in the additional section beside it a green arrow to the right is lit, and the car's right indicator is on. Moving under the green arrow of an additional section while the main light is red is a conditional permission: you have the right to turn, but you are obliged to give way to all vehicles coming from other directions. The bus on the left comes from exactly the direction that has a full green light, so it passes first.

The safety logic is simple: the arrow of an additional section was created so that the right-turning flow is not needlessly imprisoned behind a red light, not to hand you a junction whose light is green for others. If that arrow conferred priority, every time it lit it would produce an angled collision with the through traffic.

Worth memorising: the colour green does not always mean priority. The green of the main light confers priority; the green of an additional section's arrow beside a main red gives only permission to pass. That is the exam trap — the candidate sees a green arrow and assumes the way is clear. In practice too, when turning you must turn from the appropriate lane, stop before the stop line and not block the pedestrians' path.

• "No" is tempting when you look only at the green colour of the arrow; but this arrow is lit beside a main red light, and such a movement creates no priority whatever over traffic that has a full green.

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