What does this road marking mean?

- A Taxi set-down area.
- B Traffic must not enter unless they can clear the box junction without stopping; or when turning right.
- C Traffic entering a box junction from right and left has the right of way unless continuing straight on.
- D Traffic entering a box junction may have right of way over traffic from both right and left.
Show answer & explanation
Correct answer: Traffic must not enter unless they can clear the box junction without stopping; or when turning right..
You must not enter the yellow box junction unless you can clear it without stopping or unless you are turning right and are prevented from doing so by oncoming traffic.
You must not enter the yellow box junction unless you can clear it without stopping or unless you are turning right and are prevented from doing so by oncoming traffic.