Circuit crossroad comprising a roundabout (1 ) with a high central island (2) and roads (3,3 ',4,4') connected to the roundabout (1). In the central island (2) there is a crossing lane (5) of the central island (2) comprising at least one crossing lane extending slantwise across the central island (2). Warning traffic lights (6, 6') with remote control may be installed before the exits to the first road (3) and to the third road (3'). A priority vehicle (7) and/or a oversize load carrying vehicle (8) crosses the central island (2) on the crossing lane (5), whereas it first drives to the opposite direction on the first road (3) and enters the roundabout (1 ) via the exit to the first road (3). Traffic on the roundabout (1) is stopped at that time.
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