2d Drawing Link — Civil Autocad

Here’s a concise, good-practice guide for linking into Civil 3D (since “Civil AutoCAD” typically means Civil 3D).

Use "Overlay" if you don't want the 2D drawing to follow the Civil 3D file if it gets XREF'd into a third drawing. Breaking the Link: Exporting Civil 3D to 2D AutoCAD civil autocad 2d drawing link