The meaning of traffic sign color

1, red: indicates prohibition, stop and danger. Borders, background colors, slashes, and background colors used for prohibition signs, cross symbols, and slash symbols, as well as warning linear guidance targets. Yellow or fluorescent yellow: indicates warning and is used as the background color of warning signs.

2. Blue: used to indicate directions and follow, used to indicate the background color of signs, used to indicate driving information such as place names, routes and directions, and used as the background color of general road guidance signs.

3. Green: indicates the driving information such as place names, routes and directions, and is used as the background color of the road signs on expressways and urban expressways.

4. Brown: the indication of tourist areas and scenic spots, which is used as the background color of tourist area signs.

5. Fluorescent yellow-green: indicates warning, and is used to pay attention to warning signs for pedestrians and children.

Extended data

function

1. Adjust traffic flow and divert traffic. According to the traffic situation of the road, one-way traffic, regular traffic and restrictions on some vehicles can be implemented. , and play a role in regulating, guiding and controlling the flow and direction of various vehicles. The road traffic efficiency can be improved.

2. Forecast road conditions. Predict the geographical situation of a certain road section, warn people to pay attention to the danger, make mental preparations in advance, and prevent traffic accidents.

3. Guide people. Clearly indicate the destination of the road, the destination of each intersection road, the location and distance of scenic spots along the way, etc.

4. standardize traffic behavior. Traffic signs are also the basis for drivers and pedestrians to abide by the law and traffic police to enforce the law.

Baidu encyclopedia-road traffic sign board