(A) No person shall wilfully without lawful authority attempt to or in fact alter, deface, injure, knock down, or remove an official traffic-control device or a railroad sign or signal or its inscriptions, shields, or insignia.

(B) A person violating the provisions of this section is guilty of a felony and, upon conviction, must be:

(1) fined not less than one thousand dollars or imprisoned not more than five years, or both. The driver’s license of a person convicted under this section must be revoked for not less than five years. In any case where a license has not been issued, the person is not eligible to obtain a license for five years from the date of conviction;

(2) fined not less than one thousand dollars or imprisoned not more than ten years if injury results;

(3) imprisoned not more than thirty years if death results.