All barricades, fences, sidewalk sheds, equipment, material, debris, pits, excavations, or obstructions within the lines of any street or sidewalk shall be marked after dark with flares, red lanterns, or red electric lights to warn pedestrians and operators of vehicles of the presence of obstructions or excavations.
(1980 Code, § 152.45) (Ord. 2084, passed 6-7-1965)