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Missouri Motorcycle Helmet Law Laws (2026)
Conditional: Missouri requires a helmet for riders under 26 and for any permit holder.
ConditionalVerified Jun 18, 2026
Vehicle rules change at the state line.Track them in the free LawLert iPhone app and get an alert when you cross into a state where they differ. No account.Get the appMissouri requires a helmet for riders under 26 and for any permit holder. Riders 26 and older may go without one. See RSMo 302.020.
Official source: revisor.mo.gov →
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