Pset_TrafficCalmingDeviceCommon Properties for a traffic calming device. IfcElementAssembly/TRAFFIC_CALMING_DEVICE IfcElementAssembly/TRAFFIC_CALMING_DEVICE TypeDesignation Type designator for the element. The content depends on local standards. Eg. 'Bull nose', 'Half batter', 'Dropper', 'Chamfer' etc