Traffic sign means

Traffic warning signs are facilities that use graphic symbols and words to convey specific information, to manage traffic, to indicate driving directions, to ensure smooth roads and safe driving. Applicable to roads, urban roads and all special roads, with the nature of laws and regulations, vehicles and pedestrians must abide by. Traffic signs are divided into two categories: main signs and auxiliary signs. There are four types of warning signs, ban signs, signs and road signs in the main sign. The shape, color, size, type of pattern and location of the road sign are carried out in accordance with the current "Road Traffic Signs and Markings" (GB5768). All traffic warning signs should be properly positioned, accurate, complete, eye-catching and aesthetically pleasing.

Traffic sign means