{"data":{"id":"us-ia/iowa-code-321.382","jurisdiction":"us-ia","citation":"Iowa Code § 321.382","heading":"Upgrade pulls — minimum speed.","body":"A motor vehicle or combination of vehicles, which cannot proceed up a three percent grade, on dry concrete pavement, at a minimum speed of twenty miles per hour, shall not be operated upon the highways of this state.","path":["Title VIII - TRANSPORTATION (Ch. 306 - 330B)","Chapter 321 - MOTOR VEHICLES AND LAW OF THE ROAD"],"source_url":"https://www.legis.iowa.gov/docs/code/2026/321.382.pdf","current_through":"Iowa Code 2026 edition","vintage":"","retrieved_at":"2026-09-14T19:40:08Z","sha256":"ab7d33bffbf836ff43d16ae64433881b7cfcee70c6fbc3c2e6578f20c36c1007","source_id":"us-ia","stale":false,"prev":"us-ia/iowa-code-321.381a","next":"us-ia/iowa-code-321.383"},"notice":"GroundRules: Original legal text. Not legal advice."}