No person shall make any loud, unusual or unnecessary noise, music or disturbance within an area properly designated as a quiet zone or in or upon any of the streets therein. For purposes of this section, a properly designated quiet zone shall be defined as that area within a radius of 250 feet of the sign or placard containing the words quiet zone which was placed there pursuant to authority granted by the Common Council of the city.
(Ord. 90-2, passed 2-26-90) Penalty, see § 70.99