No person licensed under this subchapter shall permanently or temporarily or habitually obstruct or encumber any street, alley, or sidewalk within the city with junk, vehicles or any other thing incident to such business, nor use any street, alley, or sidewalk for storage or for any greater length of time than is reasonably necessary for loading or unloading.
('71 Code, § 4-11-7) Penalty, see § 10.99