{"data":{"id":"us/23-cfr-490.303","jurisdiction":"us","citation":"23 CFR 490.303","heading":"Applicability.","body":"The performance measures in this subpart are applicable to the mainline highways on the Interstate System and on the non-Interstate NHS.","path":["Title 23—Highways","CHAPTER I—FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER E—PLANNING AND RESEARCH","PART 490—NATIONAL PERFORMANCE MANAGEMENT MEASURES","Subpart C—National Performance Management Measures for the Assessing Pavement Condition"],"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":"b231725626503ed29592f071c41fa6ca210645979354bbc26ab83a492878d8e0","source_id":"us-cfr","stale":true,"prev":"us/23-cfr-490.301","next":"us/23-cfr-490.305"},"notice":"GroundRules: Original legal text. Not legal advice."}