{"data":{"id":"us-ia/iowa-code-321.258","jurisdiction":"us-ia","citation":"Iowa Code § 321.258","heading":"Arrangement of lights on official traffic-control signals.","body":"1. Colored lights placed on a vertical official traffic-control signal face shall be arranged from the top to the bottom in the following order when used:\na. Circular red.\nb. Steady or flashing left-turn red arrow.\nc. Steady or flashing right-turn red arrow.\nd. Circular yellow.\ne. Circular green.\nf. Straight-through green arrow.\ng. Steady left-turn yellow arrow.\nh. Flashing left-turn yellow arrow.\ni. Left-turn green arrow.\nj. Steady right-turn yellow arrow.\nk. Flashing right-turn yellow arrow.\nl. Right-turn green arrow.\n2. Colored lights placed on a horizontal official traffic-control signal face shall be arranged from the left to the right in the following order when used:\na. Circular red.\nb. Steady or flashing left-turn red arrow.\nc. Steady or flashing right-turn red arrow.\nd. Circular yellow.\ne. Steady left-turn yellow arrow.\nf. Flashing left-turn yellow arrow.\ng. Left-turn green arrow.\nh. Circular green.\ni. Straight-through green arrow.\nj. Steady right-turn yellow arrow.\nk. Flashing right-turn yellow arrow.\nl. Right-turn green arrow.","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/2026/321.258.pdf","current_through":"Iowa Code 2026 edition","vintage":"","retrieved_at":"2026-09-14T19:40:08Z","sha256":"41b55560e4137fdc42d54e0652b0f6ba09c34adaae0656c4b7d7611883610b69","source_id":"us-ia","stale":false,"prev":"us-ia/iowa-code-321.257","next":"us-ia/iowa-code-321.259"},"notice":"GroundRules: Original legal text. Not legal advice."}