123(1)No person shall place, maintain, or display upon or in view of any highway any unauthorized sign, signal, marking, or device which purports to be or is an imitation of or resembles so closely as to likely to be confused with an official traffic-control device or railroad sign or signal, or which attempts to direct the movement of traffic, or which hides from view, or interferes with the effectiveness of, any official traffic-control device or any railroad sign or signal.

123(2)No person shall place or maintain nor shall any public authority permit upon any highway any traffic sign or signal bearing thereon any commercial advertising.

123(3)This section shall not be deemed to prohibit the erection upon private property adjacent to highways of signs giving useful directional information and of a type that cannot be mistaken for official signs.

123(4)Every sign, signal, or marking prohibited by this section is hereby declared to be a public nuisance and the authority having jurisdiction over the highway is hereby empowered to remove the same or cause it to be removed without notice.

123(5)Nothing in this section applies to any traffic or warning sign placed by the workers of any telephone or telegraph company, electric railway or other electric company, or steam railway, oil, gas, water or public service company, in pursuance of powers conferred by any Act of the Legislature.