Traffic signs have the function of instructing and guiding traffic. The setting of traffic signs should be combined with the traffic characteristics of the road section. The main setting principle is to enable drivers to capture effective information in a timely, complete and accurate manner during high-speed driving. Such as road conditions, location, distance, direction, etc., and can effectively guide the vehicle, so that the expressway is fast, comfortable and safe. In addition, the arrangement of traffic signs should not be too concentrated in a certain local section; the structural design and layout of signs should take full account of the surrounding environment and road alignment, and require aesthetics and strong recognition; the layout design of signs And the setting must comply with the standards of the expressway, and the layout color and font must meet the requirements of the national standard (GB 5768-1999) for road traffic signs and markings.
The correct setting of traffic signs can reduce the occurrence of traffic accidents to a certain extent. Here, whether it is a traffic safety facility manufacturer or a traffic engineering contractor and a supervisory authority, they must be serious and responsible during production, installation, inspection and acceptance. This has an important impact on the traffic safety of others.