All cities with a population of twenty thousand or more, shall provide covers or canopies for all vehicles owned, controlled, or employed by the city for the purpose of conveying prisoners to any place of detention, in order to prevent the exposure of prisoners to public view.
City authorities or officers shall not compel any person who is under arrest, imprisoned, or detained, or in their custody, or charge to be conveyed in an open or uncovered vehicle, in or through any street or public place in this state.
Whoever violates this Section shall be fined not less than twenty dollars nor more than one hundred dollars, or imprisoned for not less than thirty days nor more than ninety days.
La. R.S. § 15:701