Missouri · Missouri Revised Statutes — Traffic Regulations (Ch. 300–307)

Mo. Rev. Stat. (Motor Vehicles) § 304.011: Slow speed, regulation of

Misdemeanor

What this law says, in plain English

Drivers cannot operate vehicles at unreasonably slow speeds that impede traffic unless safety or law requires it. Violation is a misdemeanor; operating below 40 mph on interstate highways without a permit is a Class C misdemeanor.

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This page is legal information, not legal advice. Code text is sourced from official publications and may lag amendments — always confirm at the official source linked above. Plain-English summaries and relationship data are AI-derived and reviewed on an ongoing basis; verify with a licensed attorney before acting.