Road traffic signs is refers to the set on the urban road transportation authority, use graphic symbol and text specific message, to manage the traffic safety facilities. Kinds of road traffic signs and road traffic of our country's modern meaning symbol points mainly and auxiliary
road traffic sign refers to the transportation department the safety facilities of the roads in cities, through graphic symbols and words a specific message, to regulate the traffic. Types of road traffic signs and meanings in our country has 100 kinds of modern road traffic signs, divided into the main mark and auxiliary mark. 1. Main marks mainly according to its meaning can be divided into four categories: warning signs, signs, directional signs and the direction sign is prohibited. ( 1) Warning signs. There are 23 kinds of warning signs, they are warned of vehicles and pedestrians of the sign of dangerous sites. They are an equilateral triangle vertex Angle is up, the color is yellow, black and black pattern. ( 2) Mark is prohibited. 35 kinds of prohibited mark, prohibited or restricted traffic behavior of vehicles and pedestrians. Its shape is divided into circular and an equilateral triangle, apex Angle downward, in addition to the individual character, color is white, red, red, black pattern and layering. ( 3) Directional signs. A total of 17 kinds of directional signs, used to indicate the vehicles and pedestrians. It is divided into the shape of circle, rectangle and square, color is blue and white. ( 4) The sign. 20 kinds of signs, they convey information about road direction, location and distance. In addition to the location identification mark, it is the shape of rectangle and square. Its color, in addition to the milestone, 100 m pile and road boundary markers, general road is blue and white pattern, highway is green and white patterns. 2. Auxiliary sign has five kinds of auxiliary signal, attached to the main mark, as auxiliary. This symbol cannot be set up and use alone. According to its USES, and auxiliary sign can be divided into several types, such as indicating time, vehicle type and reason of regional distance, warning, and banned auxiliary sign, and composite auxiliary sign. Its shape is a rectangle, the color is white, black and black border. In addition, there is a variable traffic information sign, it according to the detected road conditions ( Such as road occupancy, congestion, flow, flow changes, weather conditions, etc. ) According to some information in time. ) And its message to drivers and pedestrians. 3 geometry, traffic signs and traffic signs level of visibility and show the stand or fall of has important relationship with the shape of a traffic sign. In appearance under the condition of the same area, the effect is good and easy to identify the order of: triangle, diamond, square, pentagon, hexagon, is round, octagon, etc. 4 international 'safety colors and logo' draft standard rules geometry is as follows: is the triangle said warning; Circles are prohibited and restricted; Square and rectangular tip; With a slash circular design is also prohibited. Chinese modern international traffic signs geometry standard regulations and the provisions of the 'safety mark' national standards are basically the same.