{"data":{"id":"us-ia/iowa-code-321.253b","jurisdiction":"us-ia","citation":"Iowa Code § 321.253B","heading":"Metric signs restricted.","body":"The department shall not place a sign relating to a speed limit, distance, or measurement on a highway if the sign establishes the speed limit, distance, or measurement solely by using the metric system, unless specifically required by federal law.","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/2026/321.253B.pdf","current_through":"Iowa Code 2026 edition","vintage":"","retrieved_at":"2026-09-14T19:40:08Z","sha256":"162e46ce2b265d5b92e90410d6b044adeb1067c68ca844e2944a495f3202a85c","source_id":"us-ia","stale":false,"prev":"us-ia/iowa-code-321.253a","next":"us-ia/iowa-code-321.254"},"notice":"GroundRules: Original legal text. Not legal advice."}