All traffic-control signs, signals and devices shall conform to the manual and specifications approved by the State Department of Transportation State Highway Commission. All signs and signals required hereunder for a particular purpose, so far as practicable, shall be uniform as to type and location throughout the city. All traffic-control devices so erected and not inconsistent with the provisions of state law or this Traffic Code shall be official traffic-control devices.
(Prior Code, § 70.36) (Ord. 1781-1960, passed - -)