Section 21465 Of Article 3. Offenses Relating To Traffic Devices From California Vehicle Code >> Division 11. >> Chapter 2. >> Article 3.

. No person shall place, maintain, or display upon, or in view of, any highway any unofficial sign, signal, device, or marking, or any sign, signal, device, or marking which purports to be or is an imitation of, or resembles, an official traffic control device or which attempts to direct the movement of traffic or which hides from view any official traffic control device.