The red circle is a no-passage sign. This means that all vehicular and pedestrian traffic is prohibited. It is located near the entrance to the forbidden road. No-travel signs are one of the main signs in traffic signs, prohibiting or restricting vehicle traffic. The colors of the prohibition signs are white background, red circle, red bar and black pattern. Pattern press bar. The shapes of prohibition signs are circles, octagons, and equilateral triangles with the top corners pointing downward. There are 42 types of bans.

Other categories

No entry signs indicate that vehicles are prohibited from entering. Located at the entrance of a prohibited road section or the exit of a one-way street, the color is a white horizontal bar in the middle of a red background.

No motor vehicle traffic signs indicate that all types of motor vehicles are prohibited from passing. Located at the entrance to a road that is closed to motor vehicles. When there are special regulations such as time, vehicle type, etc. Auxiliary signs should be used for explanation.

No trucks allowed sign, indicating that trucks are not allowed to pass. Located at the entrance to a road that is closed to trucks. When passing trucks have load restrictions, auxiliary signs should be used, such as prohibiting the passage of small trucks.

The sign prohibiting the passage of three-wheeled motor vehicles indicates that the passage of three-wheeled motor vehicles is prohibited. Located at the entrance to a section of road that is closed to three-wheeled motor vehicles.