The Traffic Signs Regulations and General Directions 2002 No. 3113

SCHEDULE 19 BUS STOP AND BUS STAND CLEARWAYS AND BOX JUNCTIONS

PART II THE TRAFFIC SIGNS GENERAL DIRECTIONS 2002

Signs to be placed only at specified sites or for specified purposes

35.  The road marking shown in diagram 1043 or 1044 shall not be placed to indicate an area of carriageway on a roundabout unless the entry of traffic into the roundabout is at all times controlled by traffic light signals.