What is the standard size of traffic signs?

1. The standard dimensions of general traffic signs are as follows:

Standard dimensions of triangle: △ 700mm, △ 900mm, △1100 mm.

B, square standard size: 600 * 600mm, 800 * 800mm, 2400 * 1200mm, 3000 * 2000mm, 3500 * 2000mm,

4000 * 2000mm, 4000 * 2200mm, 4000 * 2400mm, 5000 * 2500mm.

C, circular standard size: 600mm, 800mm,1000 mm.

2. Traffic signs

Road traffic signs are graphic symbols showing traffic rules and road information. They can express traffic laws vividly, concretely and concisely, and at the same time express contents that are difficult to describe in words, which are used to manage traffic and indicate the driving direction to ensure smooth roads and safe driving. It is applicable to expressway, urban roads and all special highways, and has the nature of law, which must be observed by vehicles and pedestrians.

3. Function

A. Provide road information and play the role of road language.

B, command and control traffic to ensure traffic safety.

C, road guidance, improve driving efficiency.

D, provide law enforcement basis for traffic management departments.