It shall be unlawful for any operator of an OHV to wilfully disobey a signal to bring such OHV to a stop when such signal is given by hand, voice, emergency lights, siren or other visual or audible signal by a uniformed police, peace or environmental protection officer acting in the lawful performance of duty. A violation of this section shall be an unclassified misdemeanor with the penalties set forth in § 6831 of this title.