A person shall not destroy, remove, injure or deface any sign legally erected upon or near any public street, road or bridge by the board of supervisors, or by any club, association or other organized body, for the direction, guidance or safety of travelers. A person shall not destroy, remove, injure or deface any temporary traffic-control device legally erected to enhance traffic or worker safety in a construction or maintenance work zone, including, but not limited to, cones, batons, barrels, barricades, signs, sign trucks, arrow boards or other devices specified in a traffic safety plan approved by the township or the Department of Transportation. Any person who violates this section commits a summary offense and shall, upon conviction, be sentenced to pay a fine of not less than two hundred dollars ($200) nor more than five hundred dollars ($500) for the first offense and a mandatory fine of five hundred dollars ($500) for the second or any subsequent offense, with costs of prosecution, together with the value of the destroyed, removed or defaced sign. All fines and moneys imposed and collected shall be paid to the township treasurer.