What are the acceptance standards for traffic signs?

The front of traffic signboards should be smooth and even, with the border lines uniform and straight, without any curves or missing parts.
　　
2. Traffic signs should have straight edges around them, without any prominent burrs, teeth, or waves.
　　
The size of text, symbols, and line thickness should be uniform and striking, with even spacing, no breaks, and clarity.
　　
Surface should not have cracks, significant scratch marks, or rust stains, spots, or shadows that affect its clarity.
　　
5. The coating should not have pores, blisters, haziness, stains, creases, flaking marks, or significant particle impurities.
　　
6. Traffic sign installations should not exhibit creases, wrinkles, curling, tearing, or adhesive leakage.
　　
The color of traffic sign plates should be bright and striking with even tones, without any discoloration.
　　
Two-color or multi-color labels should have even and clear color edges, with no gaps at the junction of the colors.