It can be said that China's rail transit began to be established independently when the Beijing-Zhangjiakou Railway was built in Zhan Tianyou. At that time, the level of productivity was relatively backward, so we began to build railways ourselves. Up to now, the railway built by foreign countries is not to help us develop productive forces and promote regional exchanges, but to help them quickly transport a large number of raw materials plundered in China back to the motherland. However, objectively, those railway lines have promoted the development of China's transportation industry, so that many railway lines still overlap with those places.
The early days were ordinary green trains. The speed of the green train is not fast, that is, 60~80 kilometers per hour, which is very slow. However, the advantage of the train is that it has a large cargo capacity, and then it doesn't need much technical manipulation. Later, the track was gradually upgraded and optimized. Although the speed of the through train has not improved much, the time has been shortened and there are fewer stops. Then there is the general speed of the bullet train, which is 200.
Ordinary high-speed rail will not run at full capacity, and the running speed will not reach the upper limit. Basically, it is about 320 kilometers per hour. This speed is much happier than that of an ordinary car, but it is still worse than that of an airplane, because even a low-aisle passenger airliner can fly at a speed of 800/700. If it reaches 8000, it is still possible to reach 65438+ at a height around 1 000.