(A) When any street, alley or other public place in the city shall hereafter be paved or otherwise improved, it shall be the duty of the contractor or contractors who have charge of said work to cause to be placed in said street, alley or public place at the intersection of all cross streets, proper and sufficient guards to prevent automobiles, wagons, buggies, machinery or vehicles of all kinds and descriptions, and animals of all kinds and descriptions, from entering in and upon such streets so being paved or otherwise improved, for a distance of at least one block from that part of the said improvement that has been lastly constructed.
(B) It shall be unlawful for any person to ride, drive or in any manner propel any kind of vehicle or piece of machinery, or to lead, ride or drive any horse, mule or cow over, along or upon that portion of any street, alley or other public place in the city so being paved or otherwise improved that is within the guards or obstructions placed upon such street, alley or public place by the party in charge of such pavement or improvement as provided in division (A) above.
(C) It shall be unlawful for any person other than those engaged in the construction of said pavement or improvement to remove or destroy any such guards or obstructions placed upon any such street, alley or public place that is being paved or improved.
('71 Code, § 9-1-17) Penalty, see § 97.999