With the gradual improvement of expressway internet construction in China, the naming and numbering standards of expressways are also constantly improving. Don't just look at the national highway/national highway composed of English alphabetic data. There are actually many reasons. The following is to reveal the national highway numbering and naming standards for you.

How is the highway number compiled?

1, a radial national highway with Shanghai as the core, starts with the number 1 and starts from g1kloc-0/-g 12, totaling12. The "g" in front of it indicates the national highway.

2. The number of national highways running from north to south starts with 4, from G20 1-G248 (excluding G226), with 47 in total.

3. The national roads to which the goods go, starting with the number 3 and starting from G30 1-G364 (excluding G3 13), total 60.

4. The national highway of "five vertical and seven horizontal" trunk line, starting from No.0 and taking speed as the first, is 12 in total.

5. Add the number 5 to the national highway network master plan, starting from G50 1-G58 1, and the total is 8 1.

6. The serial number of parallel processing route consists of the main task number followed by English letters E, W, S and N, which means "E, W, S and N" respectively.

Why are there no national highways G226 and G3 13?

Actually, there is. The starting point of G226 National Road is Chuxiong, Yunnan, and the end point is Mojiang, Yunnan. The whole journey was 288km, but it was later cancelled. The starting point of G3 13 National Road is Anxi, Gansu, and the end point is Ruoqiang, Xinjiang. The whole journey is 82 1km. Some roads have been abandoned or upgraded due to desert erosion and sparse population.

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