there are some labels and tricks that make them easier to digest, though.
check out this post for a sample drawing that includes two sample intersections and some labels you can try.
http://www.civil3d.com/index.php/2006/11/another-intersection-sample-drawing/
and a post about minimizing edge swapping in your intersection
http://www.civil3d.com/index.php/2006/12/minimize-your-intersection-edge-swapping/