What is the sign of a horizontal line inside a circle?

[LaLondon]

A horizontal line inside a circle is the 'No Entry' sign, indicating that all vehicles are prohibited from entering the road section marked with this sign. In addition to the 'No Entry' sign, there are other prohibition signs such as 'No Through Traffic', 'No Turning', and 'No Honking'. Below are detailed introductions to other signs: 1. 'No Through Traffic' sign: The 'No Entry' sign is a red circle with a black vehicle inside and a red diagonal line crossing it. Depending on the pattern, the types of vehicles prohibited from entering vary, including no motor vehicles, no trailers, no tractors, no large buses, no non-motor vehicles, no large trucks, and no manual freight tricycles. 2. 'No Turning' sign: The 'No Turning' sign is a red circle with a black arrow inside and a red diagonal line crossing it. The direction of the arrow indicates the prohibited turning direction. 3. 'No Honking' sign: The 'No Honking' sign is a red circle with a black horn inside and a red diagonal line crossing it. The 'No Honking' sign is usually set up in schools, hospitals, or residential areas.