(a) The commanding officer of any force of the organized militia which is parading or performing any military duty in any street or
highway may require any or all persons in the street or highway to yield
the right of way to the militia, provided the carriage of the United States mail, the legitimate functions of the police, and the progress and operations of ambulances, fire departments, and fire engines and apparatus shall not be interfered with thereby. It shall be unlawful for all others to hinder, delay, or obstruct any unit of the organized militia wherever parading or performing any military duty, or to attempt to do so.
(b) Any person violating subsection (a) of this Code section shall be guilty of a misdemeanor.