(A) The city shall establish and maintain all official traffic-control devices necessary within the city. All traffic-control devices, including signs, shall be employed to indicate one particular warning or regulation, shall be uniform, and as far as possible shall be placed uniformly. All traffic-control devices and signs shall conform to required state specifications.
(B) Stop or yield signs shall be posted on such streets at any intersection the City Commission shall determine are necessary for proper traffic control.
(C) Standard electric traffic signals, with three colors on a side; or with red facing one street and amber facing the intersecting street, shall be erected at such street intersections as the City Commission shall determine to be necessary for proper traffic control.
('81 Code, § 530.1, §§ 1, 2)