How to Export a Layout in Civil 3D
How to use the EXPORTLAYOUT Command in Civil 3D
A video from a post from the Autodesk Civil Immersion blog by Jerry Bartels.
You should read Jerry's post. See the link above.
How to employ the EXPORTLAYOUT command with Civil 3D to produce a modelspace picture of a Plan and Production Tool Layout
This tool can be used more effectively to produce better results with some export to AutoCAD preparation. See the blog post