§ 18-81  SPECIFICATIONS FOR TRAFFIC-CONTROL DEVICES.
   All traffic-control signs, signals and devices shall conform to the manual and specifications approved by the State Highway Department. All signs and signals required hereunder for a particular purpose shall, so far as practicable, be uniform as to type and location throughout the municipality. All traffic-control devices so erected and not inconsistent with the provisions of state law or this chapter, shall be official traffic-control devices.