How to convert Civil3D drawings to standard AutoCAD format ...
You have a drawing created with Autodesk AutoCAD Civil 3D open in AutoCAD and you want to convert the objects in the drawing to standard AutoCAD entities and want to know how to do this. Within AutoCAD Civil 3D, enter EXPORTC3DDRAWING in the command line. ... The DWG file will be exported as a 2D drawing with a view that corresponds to the view ...