Requirements for color of traffic signs

1. The color of warning slogans of traffic signs is generally yellow as the background color, and inlaid with black edges or black pictures. The collision is generally an equilateral triangle with the top angle facing upward.

2. If the slogans of traffic signs refer to some prohibition signs, the manufacturing requirements are white background, red circle, red bar and black picture. During this period, some signs exempted from overtaking and speed restriction are planned as white background, black circle, black bar, black picture and picture pressure bar. The planning of this kind of sign is circular, and the sign of giving way is set as an equilateral triangle with the top angle facing down.

3. The color of some guide signs in traffic signs is blue background and white picture. The shapes are round, rectangular and square.

4. As for the color of guide signs in traffic signs, except for milestones, 100 meter piles and highway boundary signs, the general roads are blue background and white pictures. Except for address identification signs, the shapes are rectangular and square.