This question comes up pretty often - how to generate Cross Sections across a site - I have another post that is also covering this using the Profile Tool
Click Here for the Profile Tool Link
- in this example I use the Cross Sections Plotting process - either way works, and once you have a good Template for the Drafting, that does what you need it to, it is really just a few step process to create the sections on PDF output or as a corridor model you can step through.