No person shall, for any purpose, place any obstruction such as sand, cement, lime, dirt, rock, stone, brick, or any other obstruction or leave the same after nightfall upon any street, sidewalk, or alley, and fail to give warning to the public in the way of reflective cones or barricades.
('77 Code, § 16-2) (Am. Ord. 2020-49, passed 12-15-20) Penalty, see § 10.99