{"data":{"id":"us/23-cfr-470.101","jurisdiction":"us","citation":"23 CFR 470.101","heading":"Purpose.","body":"This part sets forth policies and procedures relating to the identification of Federal-aid highways, the functional classification of roads and streets, the designation of urban area boundaries, and the designation of routes on the Federal-aid highway systems.","path":["Title 23—Highways","CHAPTER I—FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER E—PLANNING AND RESEARCH","PART 470—HIGHWAY SYSTEMS","Subpart A—Federal-aid Highway Systems"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-23.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:50Z","sha256":"65bab57a61289fb8b22bdcc18731d9428120ca78858cc4de04f8b8cfc35069bc","source_id":"us-cfr","stale":true,"prev":"us/23-cfr-460.3","next":"us/23-cfr-470.103"},"notice":"GroundRules: Original legal text. Not legal advice."}