Any person who shall wilfully and unnecessarily hinder, obstruct or delay, or who shall wilfully and unnecessarily attempt to delay, hinder or obstruct any other person in lawfully driving or traveling along or upon any state highway or who shall offer for barter or sale merchandise on said highway so as to interfere with the effective movement of traffic, shall be guilty of a misdemeanor. (1972 Code; amd. Ord. 95-06, 11-21-1995)