331.32   ENTERING AND EXITING CONTROLLED-ACCESS HIGHWAY.
   (a)   No person shall drive a vehicle onto or from any controlled-access highway except at such entrances and exits as are established by public authority.
   (b)   Whoever violates this section is guilty of a minor misdemeanor on a first offense; on a second offense within one year after the first offense, the person is guilty of a misdemeanor of the fourth degree; on each subsequent offense within one year after the first offense, the person is guilty of a misdemeanor of the third degree.