Iowa § 321.420 - 321.420 Number of lamps lighted.
Full text of Iowa Iowa Code § 321.420 — 321.420 Number of lamps lighted., with citation guidance and answers to common questions.
§ 321.420. 321.420 Number of lamps lighted.
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. [C39, §5034.29; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.420] 2021 Acts, ch 80, §177; 2022 Acts, ch 1021, §72 Referred to in §321.1, 805.8A(3)(y) For applicable scheduled fine, see §805.8A, subsection 3 Thu Dec 11 19:41:46 2025 Iowa Code 2026, Section 321.420 (31, 0)
Source: official Iowa text · Last verified 2026-08-27
Frequently Asked Questions About Iowa § 321.420
What does Iowa Code § 321.420 cover?
Section 321.420 ("321.420 Number of lamps lighted.") is part of the Iowa Code, the codified statutory law of Iowa. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Iowa § 321.420?
A common citation format is "Iowa Code § 321.420" (Iowa). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of Iowa law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Iowa official source linked on this page or consult a licensed Iowa attorney.
How does Iowa § 321.420 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Iowa can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in Iowa.