Correct answer
The vehicle on the circulatory carriageway.
Vehicles already travelling on the circulatory carriageway. P-4 in the image warns of a roundabout junction; priority comes from the general roundabout rule, not a grant of priority by this warning sign. Obey any applicable specific regulation.
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The vehicle on the circulatory carriageway.
Always the vehicle with the right-hand side clear.
The vehicle intending to enter the roundabout.
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Sign P-4: an intersection with roundabout circulation
What this sign means, its category and its shape.
Glossary terms in this question
Roundabout
Gyratory intersection driven with its centre kept on your left, where vehicles already on the circular carriageway have priority.
Traffic light
A device regulating traffic with red, amber and green lights. It precedes vertical signs and road markings, but not officers’ directions, temporary signs or beaconing.
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