{"data":{"id":"us/23-cfr-1340.3","jurisdiction":"us","citation":"23 CFR 1340.3","heading":"Definitions.","body":"As used in this part—\nAccess ramp means the segment of a road that forms a cloverleaf or limited access interchange.\nCul-de-sac means the closed end of a road that forms a loop or turn-around.\nNon-public road means a road on which members of the general public are not allowed to drive motor vehicles.\nNonresponse rate means, for any survey variable, the percentage of unknown values recorded for that variable.\nObservation site means the physical location where survey data are collected.\nPassenger motor vehicle means a motor vehicle with a gross vehicle weight rating of less than 10,000 pounds, including a passenger car, pickup truck, van, minivan or sport utility vehicle.\nService drive means the segment of a road that provides access to businesses and rest areas.\nTraffic circle means the segment of a road or intersection of roads forming a roundabout.\nUnnamed road means a road, public or private, that has no name or number designation and is often a farm or logging road.\nVehicular trail means a road designed or intended primarily for use by motor vehicles with four-wheel drive.","path":["Title 23—Highways","CHAPTER III—NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 1340—UNIFORM CRITERIA FOR STATE OBSERVATIONAL SURVEYS OF SEAT BELT USE","Subpart A—General"],"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":"b18a5dc66cb3a68de80e63b01e61d35d037b72de63184ffdf820205f3716ce89","source_id":"us-cfr","stale":true,"prev":"us/23-cfr-1340.2","next":"us/23-cfr-1340.4"},"notice":"GroundRules: Original legal text. Not legal advice."}