- What's the purpose of a WikiProject tag on the talk page?
- Why should WikiProject U.S. Roads (USRD) include all roads that have been built for, marked for, or used by through traffic?
- Because these are the articles that road editors can help with, even if only in part.
- Why should a talk page be categorized under both USRD and WikiProject U.S. Streets (USST)?
- Because some streets are also major roads.