这篇文章探讨了高速公路编号系统背后的数学原理和全球统一的编号规则，解释了这些编号如何具备导航功能及其历史起源。
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当你打开地图软件或者出游时，你会看到不同的路牌，你会看到不同的公路编号，当然你可能知道这些编号不是随机的。但是为什么要这么编号，为什么全世界都采用了这样一种编号规则呢？虽然在人人一台智能手机的年代，只要设定出发地和目的地，就有导航指引我们找到出发的路。但如果你有好奇心的话，你会发现编号也有导航的功能，一起跟着我了解这些没有用的知识，了解高速公路的起源，了解编号规则后面的数学密码。高速公路编号背后的数学密码
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