The parking meter zones for the City shall be those streets on which parking meters have heretofore been established and maintained and such additional streets and alleys as Council may from time to time hereafter designate as a parking meter zone, except such spaces on the streets as are designated as "no parking", such as bus stops, fireplugs entrances of hotels, theaters, doctors' offices or any other place so designated.
(1965 Code Sec. 16-166)