(a)    As used in this section, “Downtown area” means the area included within the following boundaries:

Beginning at the intersection of Providence Road and Ash Street; thence east along the centerline of Ash Street to the centerline of Tenth Street; thence north along the centerline of Tenth Street to the centerline of Park Avenue; thence east along the centerline of Park Avenue to the southwest corner of Lot 3 of Harbison’s Addition and COLT Railroad Administrative Plat; thence clockwise around the boundary of Lot 3 of Harbison’s Addition and COLT Railroad Administrative Plat to a point opposite the centerline of Orr Street; thence south along the centerline of Orr Street to the centerline of Ash Street; thence east along the centerline of Ash Street to the centerline of College Avenue; thence south along the centerline of College Avenue to the centerline of Locust Street; thence west along the centerline of Locust Street to the centerline of Hitt Street; thence south along the centerline of Hitt Street to the centerline of Elm Street; thence west along the centerline of Elm Street to the centerline of Watson Place; thence south along the centerline of Watson Place to an east-west alley; thence west along the centerline of the alley to the centerline of Ninth Street; thence north along the centerline of Ninth Street to the centerline of Elm Street; thence west along the centerline of Elm Street to the centerline of Providence Road; thence north along the centerline of Providence Road to the point of beginning.

    (b)    It shall be unlawful to play or permit to be played, in the downtown area, any radio, phonograph, tape player, compact disc player, musical instrument or any similar device for producing or amplifying sound in a manner that either:

    (1)    Unreasonably disturbs the peace, quiet or comfort of any person in or outside the downtown area, or

    (2)    Is plainly audible at the following distances from the building, structure or outdoor area where the device is located at the following times:

        300 feet Sunday through Wednesday from 7:00 a.m. to 10:00 p.m.

        150 feet Sunday through Wednesday from 10:00 p.m. to 1:30 a.m.

        300 feet Thursday through Saturday from 7:00 a.m. to 11:00 p.m.

        150 feet Thursday through Saturday from 11:00 p.m. to 1:30 a.m.

        50 feet every day from 1:30 a.m. to 7:00 a.m.

    (c)    Sounds escaping from the opening of exterior doors for entry and exit shall not constitute a violation of this section.  This subsection shall not apply to sounds escaping from a door that has been propped open.

    (d)    Subsection (b) shall not apply to any sounds generated in connection with an event or activity for which the city council has authorized a street closure.

    (e)    Subsection (b) shall not apply to any sounds generated in compliance with a noise permit issued by the city manager.  The city manager is authorized to issue noise permits for special occasions such as University of Missouri home football games and outdoor festivals.

    (f)    Except as allowed in division 2 of this article, it shall be unlawful for the operator of any vehicle to play or permit to be played any sound producing or sound amplifying device in or on the vehicle so that it is plainly audible at a distance of fifty (50) feet from the vehicle from 7:00 a.m. to 10:00 p.m. and five (5) feet from the vehicle from 10:00 p.m. to 7:00 a.m.

    (g)    It shall be unlawful to play or permit to be played, outdoors in the downtown area, any radio, phonograph, tape player, compact disc player, musical instrument or any similar device for producing or amplifying sound, before 7:00 a.m. on any day or after 10:00 p.m. Sunday through Wednesday or after 11:00 p.m. Thursday through Saturday.

(Ord. No. 20630, § 1, 5-17-10)