(A) All persons engaged in doing work that creates any dangerous condition or obstruction in the public right-of-way of any street or sidewalk shall take whatever action is necessary, including the placement of barricades and warning signs or devices, to warn the traveling public of the condition or obstruction.
(B) No person may remove, destroy, injure or tamper with any barricade, sign, lantern, torch or other device placed in any street or sidewalk to warn or give notice to the traveling public of any dangerous condition or obstruction.