Columbia Authority to establish zones of quiet ordinance (§ 14-475)
Chapter 14: Motor Vehicles and Traffic · Article VI. Traffic Control Signs, Signals, Devices and Markings
(a) The city traffic engineer is hereby authorized to establish zones of quiet near hospitals, as deemed necessary.
(b) Such zones of quiet shall be designated by placing signs or markings at conspicuous places in the street.
(c) The use of horns and other sound devices on all vehicles is prohibited in such zones of quiet.
Official source: City of Columbia official Code of Ordinances (online): look up Sec. 14-475
Text from Supplement 139 (September 3, 2026).
Last checked November 1, 2026. The city's official copy controls; this page is a reading copy, not legal advice.