Sorry hier:

https://maps.stuttgart.de/baustellenkalender/?Map/layerIds=topplusopen,Basemap_EPSG25832-WMTS,A66_BAUM_BAUSTELLEN_DATE_im_Bau_EPSG25832-WFS,A66_BAUM_BAUSTELLEN_DATE_geplant_EPSG25832-WFS&visibility=true,true,true,true&transparency=40,0,0,0&Map/center=[519438.4398042227,5399747.131730821]&Map/zoomLevel=7