Missouri § 304.321 - Unauthorized signal devices prohibited — trafficway not to be used for signs — nuisances declared.
Full text of Missouri Revised Statutes of Missouri § 304.321 — Unauthorized signal devices prohibited — trafficway not to be used for signs — nuisances declared., with citation guidance and answers to common questions.
§ 304.321. Unauthorized signal devices prohibited — trafficway not to be used for signs — nuisances declared.
1. No person shall place, maintain or display upon or in view of any highway any unauthorized sign, signal, marking or device which purports to be or is an imitation of or resembles an official traffic-control device or railroad sign or signal, or which attempts to direct the movement of traffic, or which hides from view or interferes with the effectiveness of an official traffic-control device or any railroad sign or signal.
2. No person shall place or maintain nor shall any public authority permit upon any highway any traffic sign or signal bearing thereon any commercial advertising unless authorized by the Missouri highways and transportation commission.
3. This section shall not be deemed to prohibit the erection upon private property adjacent to highways of signs giving useful directional information and of a type that cannot be mistaken for official signs.
4. Every such prohibited sign, signal or marking is hereby declared to be a public nuisance.
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(L. 1969 S.B. 180 § 6)
---- end of effective 28 Aug 1969 ----
Source: official Missouri text · Last verified 2026-08-27
Frequently Asked Questions About Missouri § 304.321
What does Revised Statutes of Missouri § 304.321 cover?
Section 304.321 ("Unauthorized signal devices prohibited — trafficway not to be used for signs — nuisances declared.") is part of the Revised Statutes of Missouri, the codified statutory law of Missouri. 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 Missouri § 304.321?
A common citation format is "Revised Statutes of Missouri § 304.321" (Missouri). 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 Missouri law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Missouri official source linked on this page or consult a licensed Missouri attorney.
How does Missouri § 304.321 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Missouri 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 Missouri.