The meaning of stop sign

The sign in the picture says "parking card", which means that you need to get a parking card when you pass the entrance of expressway or city expressway toll station.

What are road traffic signs and what do they mean?

Modern road traffic signs in China are divided into two categories: main signs and auxiliary signs, with a total of *** 100. According to different meanings, the main signs can be divided into four types: warning signs, prohibition signs, indicating signs and guiding signs.

Warning signs are signs that warn vehicles and pedestrians to pay attention to dangerous places. There are 23 kinds of warning signs * * *, with yellow background, black edge and black pattern, and the shape is an equilateral triangle with upward vertex.

No sign is a sign that prohibits or restricts the traffic behavior of vehicles and pedestrians. There are 35 kinds of prohibition signs, except for a few signs, the colors are white background, red circle, red stripe, black pattern and pattern layering, and the shapes are divided into circles and equilateral triangles with downward vertex angles.

Indicating signs are signs that indicate the movement of vehicles and pedestrians. There are *** 17 kinds of indicators with white characters on a blue background, and their shapes are divided into circles, rectangles and squares.

Guiding signs are signs that convey information about road direction, location and distance. There are 20 kinds of guiding signs * * *, except milestones, 100m piles and highway boundary markers, whose colors are generally blue and white on highways and green and white on expressways; Except for the position identification signs, they are rectangular and square in shape.

The auxiliary sign is attached to the main sign and plays an auxiliary role. There are five kinds of auxiliary signs. This sign cannot be set and used separately. According to the purpose, auxiliary signs can be divided into several types, such as indicating time, vehicle type, area distance, warning and prohibition reasons and combined auxiliary signs.