If you are getting fatal errors when exporting shp files from Map 3D, then you will need to do a little tinkering to your mapexport.ini file. The entity types in the .ini file are set to “ALL” instead of “types”. Check out the blog, Murph’s Law, to see more on how to fix this problem:
http://map3d.wordpress.com/2008/11/01/exporting-to-shp-with-civil-3d-and-errors/
