A section of a traffic-light-equipped “magic roundabout” is closed after a deep sinkhole opens near a nearby interchange. Multiple reports say authorities cordon off the affected road section following the emergence of the sinkhole. The roundabout in question is described as unusual because it includes many traffic lights—reported as 36—which are intended to control vehicle movements at the junction. Drivers, cyclists and pedestrians are said to be disrupted by the closure and by the unusual layout of the junction, even before the sinkhole incident. The sinkhole’s appearance prompts concerns about safety and the integrity of the surrounding road network, leading to traffic management measures in the immediate area. Public updates focus on keeping people away from the hazard and rerouting travel through alternative routes where available, while further inspections are carried out to determine the cause and extent of the ground damage. Details on the specific location, timing, and whether any injuries have occurred are not included in the provided source material.