§ 70.18  UNAUTHORIZED SIGNALS OR MARKINGS.
   (A)   It shall be unlawful for any person to place, maintain, or display on or in view of any street any unauthorized sign, signal, marking, or device which purports to be, is an imitation of, or resembles an official traffic device, railroad sign, or signal which attempts or purports to direct the movement of traffic, or which conceals or hides from view or interferes with the effectiveness of any official control device or any railroad sign or signal. No person shall place or maintain, nor shall any public authority permit on any street, any traffic sign or signal containing any commercial advertising. Nothing in this section shall be construed as restricting any public department or public utility of the town in any emergency or temporarily from marking or erecting any traffic barrier or sign whose placing has been approved by the town.
   (B)   Every such prohibited sign, signal, or marking is declared to be a public nuisance and the town is empowered forthwith to remove it or cause it to be removed.
Penalty, see § 70.99