Updated functionality IFC Export supports IFC format using IFC schema version 4.1. All traffic signs, road markings and other elements can be exported to the IFC file.
1. Click on the icon IFC Export.
2. IFC exportDLG dialog box opens. Choose IFC schema, define the location where the file is saved, define project, and building name.
3. With the button 
select objects to export.
4. Confirm with Export.
Video tutorial: