{"data":{"id":"us/23-cfr-635.401","jurisdiction":"us","citation":"23 CFR 635.401","heading":"Purpose.","body":"The purpose of this subpart is to prescribe requirements and procedures relating to product and material selection and use on Federal-aid highway projects.","path":["Title 23—Highways","CHAPTER I—FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER G—ENGINEERING AND TRAFFIC OPERATIONS","PART 635—CONSTRUCTION AND MAINTENANCE","Subpart D—General Material Requirements"],"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":"0d95dcfd4d5b48b487a1a566565a822bbe9daafa9f27999a80b7f7fd1cf463fb","source_id":"us-cfr","stale":true,"prev":"us/23-cfr-635.309","next":"us/23-cfr-635.403"},"notice":"GroundRules: Original legal text. Not legal advice."}