What are the forbidden signs?

No overtaking, no parking, no left turn, no honking, no speed limit, no weight limit, etc. Prohibition sign is one of the main signs in traffic signs that prohibit or restrict the passage of vehicles. Except for individual signs, the colors of prohibited signs are white background, red circle, red bar and black pattern. Embossed stripes. The shape of the prohibition sign is round, octagonal and equilateral triangle with downward vertex. There are 42 prohibited signs. No traffic signs, no motor vehicle signs, no truck signs, etc.