Direct express passenger train, full name of direct express passenger train, is a type of passenger transport train of China National Railway, which is higher than express passenger train and lower than intercity EMU passenger train. There are de facto express buses and trains with few intermediate stops, all of which start with the capital letter "Z", which can be referred to as through trains for short.
Representatives of trains with common letters in railway operation: high-speed trains with prefix G, bullet trains with prefix D, express trains with prefix T, express trains with prefix K, and ordinary passenger trains with pure numbers.
According to the train class:
The truck speed is 80-120km/h.
Commuter car is about 80 km/h.
Pukuai100-120km/h.
Expressway110-120km/h.
Express delivery 140- 160 km/h.
The speed of EMU is 200-250 kilometers per hour.
The high-speed rail is above 300-350 km/h.