(a) Upon streets where angle parking is permitted, no person shall stop, stand or park a vehicle other than at the angle to the curb or edge of the roadway as is indicated by appropriate signs or markings.
(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.