Yes, and they are much cheaper than printed manuals. Concerning ramp lane widths. This issue has been put on the list of action items for revisions to the manual.
Clarification is an important goal for manual improvement.
So you won't have to go to another chapter for it. Each chapter is pretty much self contained on its subject. One thing I would like to see is an exact way to choose a design speed. Depends on the circumstances. See Figure 440-1.