Okla. Stat. tit. 47, § 47-11-207: Interference with official traffic-control devices or

railroad signs or signals - Violation resulting in personal injury

or death - Penalty.

A. No person shall, without lawful authority, attempt to or in

fact alter, deface, injure, knock down or remove any official

traffic-control device, including any nine-one-one (911) emergency

telephone service route markers, or any railroad sign or signal or

any inscription, shield or insignia thereon, or any other part

thereof.

B. If a violation of subsection A of this section results in

personal injury to or death of any person, the person committing the

violation shall, upon conviction, be guilty of a Class D1 felony

offense punishable by imprisonment as provided for in subsections B

through F of Section 20N of Title 21 of the Oklahoma Statutes, or by

a fine of not more than One Thousand Dollars ($1,000.00), or by both

such fine and imprisonment.