What are the introductions to traffic signs?

Can be divided into four types.

1. Indicator signs: usually round or rectangular, with white patterns on a blue background. Used to instruct vehicles and pedestrians to drive in the specified direction and location. Such as going straight, turning left, turning right, parking, detouring, etc.

2. Warning signs: usually equilateral triangles (or diamonds), yellow (white) with black (red) edges, and black (or dark blue) patterns. Used to warn drivers of dangers on the road ahead and the measures that must be taken. Such as warning intersections, road turns, railway crossings, slippery road sections, possible rockfall sections, uneven roads, merging traffic, etc.

3. Ban sign: usually round, with white background and red edge, red slash and black pattern. It is a sign that prohibits or appropriately restricts vehicles based on street, highway and traffic volume conditions. Such as no passing, no parking, speed limit, weight limit, width limit, etc.

4. Guide signs: usually rectangular, with white characters and white patterns on a blue (green) background. It is used to indicate the boundaries of cities, towns and villages, the direction and distance of destinations, entrances and exits of highways, service areas and famous places, etc., and provide various guidance along the way.

Such as national highway numbers, milestones, 100-meter piles, boundary markers, guide signs, place name plates, and signs at highway entrances and exits, gas stations, repair stations, parking lots, etc. The auxiliary mark is attached to the main mark to supplement the explanation. It can be divided into four types: vehicle type, time, interval range and distance. Auxiliary signs cannot be set up alone.

Extended information

Principles of setting

1. The setting of highway traffic signs should be designed for highway users who are unfamiliar with the surrounding road network system and comprehensively Consider the surrounding road network and highway conditions, traffic conditions, meteorological and environmental conditions and other factors, formulate reasonable setting standards, and make reasonable settings based on the functions of various traffic signs and the behavioral characteristics of drivers.

2. Highways of grade II and above and national and provincial highways of other grades should be given priority in setting up guide signs. Other roads or roads without relevant guide signs can be set up with necessary signs after demonstration. warning sign.

Prohibition signs should be placed in eye-catching locations near the places where traffic laws and regulations come into effect, and should avoid interaction with other traffic signs. Speed ??limit signs should be set according to the traffic capacity of different road sections, the proportion of vehicle types, the operating speed of the vehicles, etc.

3. When selecting the destination information indicated by road signs in the road network, unified consideration should be given to the density of the road network, highway grade, highway function, destination visibility, etc. Different types of traffic sign information should echo each other without interruption of information.

4. The vertical and horizontal positions of traffic signs along the highway should comply with the regulations of the current "Road Traffic Signs and Markings" (GB5768). Traffic signs located in the safe and clear zones on the sides of expressways and first-class highways should be protected by disintegrated energy-dissipating structures or guardrails according to the sign structure specifications. Traffic signs located in the safe and clear zones on the sides of other highways should be protected as necessary.

Baidu Encyclopedia-Traffic Signs