Without seeing the project and the elements involved, it looks like you’re going to want to pull the geometry from the highway with the Element.Geometry node. You’ll likely have to filter through this to find the exact pieces of geometry you need.
For the family, however, you might be able to use Element.GetLocation - this will probably output the insertion point of your family. From there I’d try and do something like this: Project points into surface topography problem - #4 by felipe.mateus96
2 Likes