{"data":{"id":"us-ia/iowa-code-321.417","jurisdiction":"us-ia","citation":"Iowa Code § 321.417","heading":"Single-beam road-lighting equipment.","body":"Headlamps arranged to provide a single distribution of light not supplemented by auxiliary driving lamps shall be permitted on motor vehicles manufactured and sold prior to July 1, 1938, in lieu of multiple-beam road-lighting equipment specified in section 321.409 if the single distribution of light complies with the following requirements and limitations:\n1. The headlamps shall be so aimed that when the vehicle is not loaded none of the high-intensity portion of the light shall at a distance of twenty-five feet ahead project higher than a level of five inches below the level of the center of the lamp from which it comes, and in no case higher than forty-two inches above the level on which the vehicle stands at a distance of seventy-five feet ahead.\n2. The intensity of the light shall be sufficient to reveal persons and vehicles at a distance of at least two hundred feet.","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/2026/321.417.pdf","current_through":"Iowa Code 2026 edition","vintage":"","retrieved_at":"2026-09-14T19:40:08Z","sha256":"368c7da9cc1db9e928f4cf2d91cc0f37003fe775f88969e79da97888f284aca5","source_id":"us-ia","stale":false,"prev":"us-ia/iowa-code-321.416","next":"us-ia/iowa-code-321.418"},"notice":"GroundRules: Original legal text. Not legal advice."}