They are diffferent ways to display and use the Waterboro town road listings. Some of the choices may be for the usage of the Waterboro Road Review Committee, and they reflect the Maine DOT way of using data in their database. There will be choices for what roads you want to see, how much information you want with each road, and what order you want the listing. If there is some way of finding road information you would like and don't see it, then ask.  Roads at waterboro.com