Whenever authorized signs are erected indicating that no right or left or U-turn is permitted, no driver of a vehicle shall disobey the directions of any such sign.
Mo. Rev. Stat. § 300.230
Obedience to no-turn signs
Effective: 28 Aug 1965; (L. 1965 p. 445 § 46)
Official source: Missouri Revisor of Statutes. Reproduced from public-domain Missouri statutes; confirm against the official source for the current text. Not legal advice.