Iowa Code § 321.404A
Light-restricting devices prohibited
Iowa · Iowa Code Chapter 321 — Motor Vehicles and Law of the Road · Status: effective
Cite this
- Citation
- Iowa Code § 321.404A, Light-restricting devices prohibited, Iowa, version 1 as recorded 2026-10-03, yourstate.us, https://yourstate.us/provision/2240907
- Permanent ID
ys:prov:2240907@1- SHA-256
314a75c12d6c6abb089c15533c0a731fcab6a1cc6355abc118c78c46ea6b8cd9
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
1. A person shall not operate a motor vehicle, motorcycle, or motorized bicycle on the highways of this state if it is equipped with a device that restricts the light output of a headlamp required under section 321.385 or 321.386, a rear lamp required under section 321.387, a signal lamp or signal device required under section 321.404, or a directional signal device as described in section 321.317.
2. A person who violates this section shall be subject to a scheduled fine under section 805.8A, subsection 3.