Water truck manufacturers tell you: the method to distinguish the national road types

When the sprinkler is on the national road, it can be used on three types of national roads. The first type is the highway with the capital Beijing as the center; the second type is the north-south highway within the territory of our country; the third type is the east-west highway.

In order to distinguish between the three types of kilometer routes, three Arabic numerals are often used. The first figure indicates the national road category: "1" represents the first category, namely, the highway radiated by Beijing; "2" represents the second category, namely the north-south highway; "3" represents the third category, and east-west kilometers. The second and third figures indicate the sequence number of such roads. For example, the Beijing-Guangzhou route is the “106” national road, which is the first type of the sixth highway that uses Beijing as its center.

Greening sprinklers have rapidly developed in China's expressways. At present, China's expressways have begun to take shape, and their highway names are named after the starting cities or destinations. Such as Beijing Shijiazhuang, said the Beijing-Shijiazhuang Expressway, Shanghai to Nanjing, said the Shanghai-Nanjing Expressway. There are some major cities that use code names for self-built short-term freeways.

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