什么是道路和道路交通安全就是供各种无轨车辆和人通行的基础设施。按照不同地方的特点,可以分为城市道路、公路、厂矿道路、林区道路、乡村道路等。人类建造道路的历史至少有几千年了,没有人能够真正说出世界上第一条道路是在什么时候,在哪里建成的。在古代,人们经常沿着动物的足迹或是别人走过的路行走,经常有人走的地方就成为了小路。日复一日,年复一年。人类发明了手推车、马车、汽车,有了车路、公路,道路 What is Roads and Roads? Traffic safety is the infrastructure for various types of trolley-free vehicles and people. In accordance with the characteristics of different places, can be divided into urban roads, roads, factories and mines roads, forest roads, rural roads. The road to human construction has been at least a few thousand years old. No one can really say when and where the first road in the world was built. In ancient times, people often followed the footsteps of animals or the paths that others walked through. When people walked often, they became paths. Day after day, year after year. Human invented trolleys, wagons, cars, with cars, roads, roads