It means you are approaching a roundabout and (in the U.K.) must give way to traffic coming from the right and already on the roundabout.
In the UK it could be a road sign indicating that there is a roundabout ahead.
It mean to infer, or suggest in a roundabout way.
A blue circular sign indicated acompulsoryaction. (You must do it) for example, you might find a diagram of a roundabout in a blue circular sign, the sign is telling you, you MUST go AROUND the roundabout.
A driver must always look to the left and yield to a vehicle that is already in the roundabout.
Cars in the roundabout have the right of way over cars entering the roundabout.
The junction is controlled by a roundabout.
The Magic Roundabout was created in 1964.
The Magic Roundabout ended in 1971.
Operation Roundabout happened in 1943.
Rhondda Roundabout was created in 1934.
Roundabout is spelled as one word when referring to circular intersections on streets.
A bicycle roundabout is a roundabout intended for bicycles, typically used in order to improve the flow of automobile transport.