A. 
Whenever any ordinance or resolution of the City designates any one-way street or alley, the City Traffic Engineer shall place and maintain signs giving notice thereof, and no such regulations shall be effective unless such signs are in place. Signs indicating the direction of lawful traffic movement shall be placed at every intersection where movement of traffic in the opposite direction is prohibited.
B. 
Whenever authorized signs are erected indicating the direction of lawful traffic movement, no driver of a vehicle shall disobey the direction of any such sign.
(Prior code § 3130; 1572 § 1, 1977; 2804 § 1, 2011)