What kind of traffic sign is a circle plus a minus sign?

It is a traffic prohibition sign that prohibits entry.

There are 43 types of prohibition signs, which prohibit certain behaviors.

Signs prohibiting or restricting vehicle and pedestrian traffic behaviors. Except for a few logos, the color is white background, red circle, red bar, black pattern, and pattern bar; the shape is circular, octagonal, and an equilateral triangle with the vertex facing downward. Set up near road sections or intersections where traffic behaviors of vehicles and pedestrians need to be prohibited or restricted.

Extended information:

Introduction to traffic signs:

1. Prohibition of long-term parking of vehicles and prohibition of temporary or long-term parking of vehicles

The prohibition of long-term parking means that vehicles are allowed to wait for a few minutes for passengers to get on and off, but there are different opinions on how long the allowed time is. The prohibition of temporary or long-term parking of vehicles is very clear, and the "X" sign is not allowed even for a moment. of.

2. Minimum speed limit and maximum speed limit

Blue/green represents safety and allows passage. Yellow represents reminders, reminders, and warnings. Red represents prohibition and danger. Just like the white part above represents the minimum speed limit of 50km/L, the blue is safe for passage, and the red circle on the right means prohibition, that is, the maximum speed limit is 60km/L, otherwise it is dangerous.

3. One-way street and straight driving only

One-way street and straight driving only are also traffic signs that are easily confused by many new and experienced drivers. They point to the same direction, just a rectangle with a blue background and a circle with a blue background. In fact, this one-way street means that you cannot turn around and can only go forward. The circular ones are only allowed to go straight but cannot turn.

4. Go first before meeting vehicles and give way to meeting vehicles

In fact, this is not difficult to distinguish. In fact, it can be understood this way. The smaller red arrow represents a "prohibited" passage or no priority. Meaning, when cars are meeting, the white color means that the lane on your own side can go first; if the car is meeting, the lane on your side is red, and the lane on your side has priority to let the other side pass first.

Baidu Encyclopedia—Traffic Signs