{"data":{"id":"us/23-cfr-637.201","jurisdiction":"us","citation":"23 CFR 637.201","heading":"Purpose.","body":"To prescribe policies, procedures, and guidelines to assure the quality of materials and construction in all Federal-aid highway projects on the National Highway System.","path":["Title 23—Highways","CHAPTER I—FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER G—ENGINEERING AND TRAFFIC OPERATIONS","PART 637—CONSTRUCTION INSPECTION AND APPROVAL","Subpart B—Quality Assurance Procedures for Construction"],"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":"4b3d2fbce442bbb06d76b099e46cbb5635348deba2b7155e8d6836cb5b390868","source_id":"us-cfr","stale":true,"prev":"us/23-cfr-636.514","next":"us/23-cfr-637.203"},"notice":"GroundRules: Original legal text. Not legal advice."}