Traffic signs are road facilities that use words or symbols to convey, guide, restrict, warn or indicate information. Traffic signs are generally set up eye-catching, clear and bright to ensure the safety and smoothness of road traffic. Therefore, there are certain requirements for the setting of traffic signs.
1. Starting from the overall situation, comprehensive consideration, reasonable layout, to prevent insufficient information or overload. Among them, important information should be displayed continuously and repeatedly.
2. Under normal circumstances, traffic signs should be set on the right side of the road or above the carriageway. In addition, the traffic signs can also be arranged on the left or both sides at the same time according to the specific situation.
3. In order to ensure easy visual identification, when more than two sign boards are required at the same place, they can be installed on a supporting structure, but no more than four. Separate signs should first meet the space for prohibitions, instructions and warning signs.
4. Multiple warning signs should not be set up. When more than two warning signs need to be set up at the same place, the one that is most needed should be set. However, in some dangerous areas, depending on the actual situation if necessary, try not to set more than three warning signs in the same place.
5. In principle, avoid the juxtaposition of different types of signs to prevent confusion in visual recognition and unpredictable accidental damage.
Traffic signs are the "eyes" of the road, and their settings are conducive to predicting road conditions, adjusting traffic flow, and diverting traffic, to minimize the occurrence of traffic accidents and injuries caused by accidents.

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