{"data":{"id":"us-ia/iowa-code-321p.3","jurisdiction":"us-ia","citation":"Iowa Code § 321P.3","heading":"Use limited.","body":"1. A local authority shall not use an automated or remote system for traffic law enforcement to issue a citation for a traffic violation unless the violation is for exceeding the speed limit by more than ten miles per hour.\n2. A local authority with a population of twenty thousand or less based on the most recent federal decennial census shall not use a mobile system to issue a citation for a traffic violation. The department shall adopt rules pursuant to chapter 17A otherwise authorizing and regulating the operation of mobile systems, taking into consideration a mobile system’s mobility, flexible usage, and the needs of a local authority to control traffic speed to address critical traffic safety issues at a location. However, the rules shall not authorize the use of a mobile system other than in neighborhoods, construction zones, school zones, including collegiate zones, and locations where traffic enforcement is difficult or dangerous to enforce by alternative methods.\n3. A local authority, regardless of its population, may issue a warning memorandum to the owner of a vehicle that was operated in violation of a traffic law if the violation was detected by an automated or remote system for traffic law enforcement, including a mobile system.","path":["Title VIII - TRANSPORTATION (Ch. 306 - 330B)","Chapter 321P - AUTOMATED TRAFFIC ENFORCEMENT"],"source_url":"https://www.legis.iowa.gov/docs/code/2026/321P.3.pdf","current_through":"Iowa Code 2026 edition","vintage":"","retrieved_at":"2026-09-14T19:40:08Z","sha256":"203d1e4cd390d2dcc1dd563c1f4b814abd1b75588994153ae0f4e8ad830549a7","source_id":"us-ia","stale":false,"prev":"us-ia/iowa-code-321p.2","next":"us-ia/iowa-code-321p.4"},"notice":"GroundRules: Original legal text. Not legal advice."}