With automatic departure at scheduled times, automatic operation between sections, automatic station alignment and parking, the coordinated opening of doors and platform screen doors, and more, the Beijing-Zhangjiakou High Speed Railway became the first in the world to achieve manned automatic driving at an operating speed of 350 km/h. On the day of its opening, China's high speed railway mileage reached 35,000 kilometers, ranking first in the world. Today, China's total railway mileage has surpassed 160,000 kilometers, with high speed railways reaching over 46,000 kilometers. The most modernized railway network and the most advanced high speed railway system in the world are changing China with unprecedented depth and breadth.