(A) It shall be unlawful for the operator of any vehicle to turn such vehicle so as to proceed in the opposite direction unless such movement can be made in safety and without backing or otherwise interfering with other traffic.
(B) A complete turn shall not be made at any intersection of any two streets or upon any street or alley in the city where the traffic engineer may determine that it is unsafe to make a complete turn and shall have caused to be posted at such place in the street or alley a sign showing that a complete turn is prohibited.
(`87 Code, § 17-211) Penalty, see § 70.99