{"data":{"id":"us-ia/iowa-code-321.420","jurisdiction":"us-ia","citation":"Iowa Code § 321.420","heading":"Number of lamps lighted.","body":"Whenever a motor vehicle equipped with headlamps as required in this chapter is also equipped with any auxiliary lamps or a spot lamp or any other lamp on the front of the vehicle, that projects a beam of an intensity greater than three hundred candlepower, not more than a total of four of any such lamps on the front of the vehicle shall be lighted at any one time when upon a highway.","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/2026/321.420.pdf","current_through":"Iowa Code 2026 edition","vintage":"","retrieved_at":"2026-09-14T19:40:08Z","sha256":"451bfd9939692eb24fff0623680452eb3a242d0f2a907e1eab9c7e994097d4b6","source_id":"us-ia","stale":false,"prev":"us-ia/iowa-code-321.419","next":"us-ia/iowa-code-321.421"},"notice":"GroundRules: Original legal text. Not legal advice."}