(A) All traffic-control signs, signals, and devices shall conform to state regulations.
(B) All signs and signals required under this article for a particular purpose shall, so far as practicable, be uniform as to type and location.
(C) All traffic-control devices so erected, and not inconsistent with the provisions of state law or this article, shall be official traffic-control devices.
(Code 1976, § 7.35)