All traffic control signs, signals, and devices shall conform to the "Manual of Uniform Traffic Control Devices", approved by the State Department of Public Safety. All signs, signals, and devices required hereunder for a particular purpose shall, so far as practicable, be uniform as to type and relative location throughout the Town. All traffic control devices erected and not inconsistent with the provisions of State law or this chapter shall be official traffic control devices. (2014 Code § 15-602)